None
761 Page. Ludwig, F. J. H., analysis by 194 Luedecke, O., water of the Oder 04 Laedeking, C, lead chromates 650 Luedeking, C, and Wheeler, H. A., barite... 554 Lujavrose 420 Lunge, Q., cited, on Stassfurt salts 210 natural soda 227 Lunge, O., and Millberg, C, solubility of quartz 345 Lunge, O., and Schmidt, R. E., analysis by. . 176 Lonn, A. C, internal temperature of the earth 277 Lnnquits, £. £., gold sands 619 Lupton, N. T., analysis of water, cited 72 Lutecite 339 Lutecium 21,679 Luzl, W., corrosion of diamond 309 formation of graphite. . : 310 Lyell, C, precipitated calcium carbonate 525 Lyons, A. B., copper in lava 602 soils 484 M. Mabery, C. F., natural gas 683 petroleum 682.684,685,686.607 See also Robinson, A. E. Mabery, C. F., and Byerly, J. H., byerllte .... 689 Mabery, C.F., and Huds6n,E. J., petroleum 681,685 Mabery, C. F., and Palm, O. H., Ohio petro- leum 685 Mabery, C. F., and Quayle, W. O., petro- leum 684,686 Mabery, C.F., and Smith, A. W.,Limaoil.... 688 Mabery, C. F., and Takano, S., Japanese pe- troleum 684 MacAlister, D. A See Hill and BiacAUster. Macallum, A. B., cited 116 MacBrlde, T. H., peat 711 McCaleb,J F.,cited 216 McCalley, H., bauxite 473 McCallie, 8. W., iron ores 506,579 limestones 533 phosphate rock 504 waters of Georgia 59 McCaughey, W. J., solubility of gold 618 McClelland well, analysis 180 McConnell, W., gases in coal 725, 726 McCourt,W. E., and Parmelee,C.W., peat... 711 McCreath, A. S., coal analyses 719 Mao6, , synthesis of anglesite 619 Macfarlane, W. , See Ebaugh and Macfarlane. McGee, W J, bitumens 702 laterite 470 loess 485 Mcllheney, P. C, solvent of gold 617 Mcintosh, D. See Eve, A. 8. Mclvor, R. W. £., guano phosphates 496 maldonite 615 McKee,R.H., mass of atmosphere 52 Maclde,W.,allanite in granite 387 analyses of clays 483 analyses of sand 480 oalcitmi fluoride as cement 515 on age of the earth 137 •andstones. 517 Page. Mackintosh, J. B. See Hidden and Mackin- tosh. Macklntoshite 680 Madaren, J. N., gold and silver In sinter 196,617 hotsinlngs of New Zealand 202 Maclaren, M., laterite 470 Maclaurin, J. S., dted, on New Zealand spring waters 185,189,196,202 McLennan, J. C, and Kennedy, W. T., radio- activity 302 McNalm, W. H., apaUte 490 Macomb deep well, analysis of water 182 Mactear, J., mercury ores 634 Madupite 424 Madupose 424 Maey, E., silver antimonide 621 Magma, temperature of. 277-282 Magmatic assimilation 294, 206 Magmatic differentiation 284,203-206 Magmatic dissociation 284-286 Magmatic solutions. 283-286 Magmatic stoping 205 Magmatic waters 606 Magdeburgose 412, 414, 416 Magnesioferrite 324 Magnesite 307,530 Magnesium, distribution 17 Magnenat and Wooten, analyses by 714 Magnetite 324,327-^320 melting point 270 Magnetite spinellite 444 Magnetite syenite 445 Magnochromite 665 Mahanuddy River 06 Mahler, O., calcite and dolomite 537,530 Main, River, analysis of water 80 Majorana, Q., diamond 307 Makin, C. J. S., analysis of sea water 112 Malachite 632 Malacca, Straits of 113 Malbot, H., and A. phosphorite 501 Malcolmson, J. W. See Kirk and Malcolm- son. Maldonite 615 Malignose 422 Malkomeslus, P., and Albert R., Cassel brown 715, 716 Mallard, E., cristobalite 330 lead oxychlorides 640 Mallet, F. R., Indian corundum 322 laterite 470 lateritic manganese 510 on langbeinito 213 Mallot, J. W.,allanite 670 analysis by 106 gases from meteorites 273 silver in volcanic ash 258,601 Maltha 688 Mangandolomite 547 Manganese, distribution 17 in sea water Ill ores of 508-512 Manganese nodules 121,506 Manganite 508 Manganosito 506 Manltoulin Island, analysis of water from 174 762 INBSZ. Ifujak. ICuUey^J. J. 5m attnther, R. T. Mtem, P., alteration of tttanlte ooutitiitioii of pyranoiBi. lCiBin»B,N. 8.,tipiiftlt. ■yntheiifofiqpattto 07 ofteadorai OO-tfl ofadweUte ; 687 Ifaraoo, V. 8m Muntt, A. Itecarite. S18 MankyW. yonder, aoaljata of aodttODe.... 5U Maiekwald,W.,ndloaothit7 104 nraniam otei 67S llanos, E., and Bttti, W., BtaHftnrt aalt day -. ni,87S 8u aUo BUts and ICareoi. llanoflBon, J., artificial petroleiim 0OS origin of petrolemn 006,7(0 optical activity of petioleam. 708 liarellorto, analysis of watff. 113 Ifaigailte. 671 Itaiaiodlte 672 Ifartottet, J. , rednctloQ of aUrer aolpliide.... 620 synthedsofaffCDtlte 621 ffef also HantefealUe and lUiioCtet MariaUte 881,671 Hailoose 4a llarienqaeUe, analysis of watv 176 MarignaCyCde, synthesis of dolomite lIiu1gny,F. D., Algerlanwatcn. synthesis of chaloopsrritc synthesis of galena. 646 Marl 626,641 ICarmora, Sea of, analysis of water 113 l[anden,R.S., artificial diamond 307 formation of crystalline silica 341 Marsh, gas 606,698 llarahite 632 Marrilly , , analysis of peat 709 ICartens, P., Chilean thermal waters 240 Martin, K., phosphate rock 497 Martin, W. J., platinum ores 669 Martinlte 496 Masing, E., synthesis of anglesite 049 Mason, W. P., analysis by 180 Massicot 647 Massol, O., helium in spring water 160 Matthews, E. B. , classification of rocks 411 Matlldite 623,624 Matlockite 648 Matteucci, R. V., volcanic ammonium chlo- ride 250 Matthew, W. D. , phosphatic nodules 501 Maomee River, analysis of water 65,98 Maumend, E. , manganese in sea weeds Ill Mauritz, B. , synthetic wollastonlte 359 Mauielilte 659 Mawson, D., camotite 677 Mawson, D., and Cooke, W. T., phosphates from guano 498 Mawson, D., and Laby, T. II., radioactivity ofminerals v 300 Maxwell, W. , Hawaiian lavas and soils 460, 470,475,484 Mayengon, , artificial galena 646 sulphides Sumed in burning ooal mine... 657 Miii7r,F. ffst BtaosunlMdli tad Ifajr. Mi^riiotar,J.,eited. fl Mead, W. J., rdatlv« proportloM ofaadlmcD- tujioels n Meadowa, T. a, and Brown, L., phospbortto. Meooa, holy Will at, aoalyata of water. MedlteRaiMMi8sa,aoaly8taorw«tv. 118,206 MadToLakB. 161 Mdni,ICC,ayiitlMBliol€iiiiiabar 6SS Meigcn,W.,oalettiaiidan«oiitt«. 6B oalolnm eaibonata as pnolpltaat of metals. 627,612 dofcmilte. 5M Mflknlte. 386,884,6n Malaiitta.. , « Mataooduoita 6» Ifekmotckite 65 Mddometer..... 276 Meldnim,R.,aohibilltyofo(^PPcr. 626 Mdlltte. S»-886 MeUtte 706 Mellor,J. W.,oiaydUeates 684 Mekmlte. Melting point! of ndncrala MelTm,S.H.V.,dkmioiids 806 MdyfltefW.H., analyses by 180,175, 166,814, 427,617,68S,666^67»,6»,656 glaooopliaiie rook. 688 Josephinlta. m MsDaoeanlte. MeoddteffD., origin of petralaam. periodtedasstfloatkni 86 Mendipite 648 Meneghinite 647 Mennell, F. P., average composition of Igne- ous rock 26 laterite 470 Mercury, distribution 18 ores of 633-638 Merensky, H., diamonds 300 Merian, A. , constitution of pyroxenes 364 Merivale, W., manjak 688 Merrill, F.J. H., gypsum SSd Merrill, a. P., analyses by 464 asbestos 364 cave gypsum 217 disintegration of rocks 457, 458,462,463,466,468,467 gold hi granite 316,613 meteorites 80 onyx marble 524 serpentine 676,576 Merrill, J. A., flint 619 Merrimao River, analysis of water 66 Men, C, water analysis 80 Mesitite 807,646 MesoUte 396 Metabruahite 406 Metachlorlte 377 Metacinnabarite 634, 635,687 Metallic ores 60IMi60 Metamorphic rocks 667-606 Metastibnite 657 Meteorites, average composition 86.30 diamonds in 306 lh»m 273 INDEX. 768 Page. Meteorites, hydrocarbons in 605 Metzger, C, water analysis 02 Meonier, 8., analysis by 174 bauxite 472 carbon in meteorite. 605 compositian of fossil plants 717 origin of petroleum 604 of platintun.... 671 planetary atmospheres 53 synthesis of anorthite 346 synthesis of brochantite 633 ofchromlte 328,666 ofenstatite 358 ofleucite 350 of nephelite 354 ofoUvlne 371 of phoenicochroite 660 of spinel 325 oftrldymlte 341 tin in sinter 106,653 troilite 316 volcanic explosions 283 See aUo Daubrfe and lieunier. Mouse, River, analysis of water 86 Mexico, Oulfof 118 Meyer, E., von, gases in coal 725 Meyer, O., caldte and dolomite 530 Meyerhoftor, W., phase rule 200 See aUo Van't Hofl and Meyerhoffer. Miami Rivor, analysis of water 72 Miargyrlte 623,624 Miaakose 420,426 Micas 872-376 Mica schist 587-501 Michael, P., saussurite gabbro .560 Michel, L., bismuth in molybdenite 667 synthesis of asurite 633 of lead ores 651 ofmelanite 382 of minium and plattnerite 647 ofpowellite 666 ofrutUe 333 oftitanite 332 of tungsten minerals 667,668 Michel-Ldvy, A., magmatic differentiation . . 205 Tninftmla in sand 470 primary epidote 387 quantitative classification 411 scapolite gabbro 570 Michel-Ldvy, A., and Lecroix, A., envelop- ment of allanite 387 Michel-L6vy, A., and Munier-Chalmas, £., chalcedony 330 Michigan, watersof. 65 Michigan, Lake, analysis of water 64 Microcline ; . . 345 Micrometric analysis of rocks 450 Microorganisms in coal formatl(m 7^ Micropegmatite, as an eutectic 288 Mlcrosommite 355 Middlemiss, C. S., Indian corundum 322 Miersite 625 Mikhallovsky, G. P„ origin of naphtha 702 Miklucho-Maclay, M. von, occurrence of cas- siterite 335 MUoh, L., glauoophano rocks 565 Page. Miloh, L., quantitative dassifloation 411 Millar, C. C. H., phosphates 501 MiUberg, C. 5ce Lunge and Millberg. MiUelacs Lake, analysis of water 71 Miller, A. M., phosphatic fossils 500 Miller, N. H. J., composition of rain water. 44, 49, 50 Miller, W. O., cobalt ores. 660,661,662 oorundtun anofthosite 322 limestone 633 nickel in magnetite 327 Millerite 660,661,662 Mills, J. E., geological work of ants 461 Mikxiin '. 665 Mimetite 660 Minervlte 497,408 Minette 418,410 Minette ( iron ore) 649 Mine waters 178,604,606 Mineral waters, classification 162-165,160,170 Mingaye, J. C. H., analysis by 182 cave phosphates 498 mine water 604 platinum 672 vanadium in clay 678 Minium 647 Minnesota River, analysis of water 71 Minnetonka, Lake, analysis of wator 71 Minor, J. C. See Penfleld and Minor. Minssen, H., and Tacke, B., solubility of calcium phosphate 496 MirabiUte 216,222,237,243 Mispickel 656 Missouri River, analyses of water 74 Miseourite 424 Missi»ippi River, analyses of water 70 chlorine in 100 flow of 71 sedimentation in 482 Mittagong chalybeate spring, analysis 182 Mitchell, , water analysis cited 157 MitcheUite 666 Mixite 632 Mizsonite 383 Mdricke, W., gold in pitchstone 315, 613 Mofettes 260 Mohawkite 628 Mohr, E. C. J., laterite 470 rivers of Java. 96 Moissan, B., analyses of volcanic gases 256 carborundum in meteorite 310 graphite in native iron 312 melting point of corundum. 319 metallic carbides 691 on diamond 307,306 origin of petroleum 694 origin of volcanic activity 267 volatility of metallic oxides 259,260 See alao Becquerel and Moissan. Moltessier, A., artificial dolomite 636 Moldau River, analysis of water 90 Moldenhauor, F., analysis by 89 the Dead Sea 157 Molengraaf, Q. A. F., cordierite vitrophyrite. 386 Molengraaf, P. F., cassiterite 666 Molybdenite 318,666,667 Molybdenum, distribution 18 764 INDEX. Page. Molybdenum, ores of 666,067,066 Molybdic ocher - 666 Molybdophyllite 661 Molybdoflodalite 356 Monazlte 338,679,680 Monchiquite ^ 436 Moncbiquose 426 Monckton, O. F., mercury deposits 638 Monetite 496 Monke, H., and Beyscblag. F., origin of petroleum 697 Ifonmoutbite 423 Mono Lake, analysis of water 180, 165 Monongahela Rivra-, analysis of water 72 Montesano Springs, analysis 172 MonUcelUte 370,372 ^ontmorillonite 396,584 Montroydite 634 Monronite 428,420 fusibUity 282 Monzonoee 417,426,433 Moore, C. C, barytic sandstones 515 sandstones 517 Moore, E. J., bog iron ore 606 Moore, O. E., analysis by 186 Moosehead Lake, analysis of water 66 Morawsky, T. See Schinnerer and Moraw- sky. Mordenlte • 396 Moreing, C. A., manganese ores 510 Morenosite 663 Morley, E. W., variations in atmospberlc oxygen 41, 42 Morlot, A. von, sand caloites 513 synthesis of dolomite - . 535 Morozewicz, J . , alteration of diorite 464 analysis by 444,464 artificial feldspars 346 composition of nephclite 353 formation of acmite 361 of augite. - 363 of conmdum 319-322 of enstatite 358 of hematite 330 of iolite 385 of magnetit<v 328 of melUite 379 of mica 375 of nephelitc 354 of quartz and tridymite 343 of sillimanite 388 lagoriolite 381 gravitative adjustment in magmas 297 syntheses of nosflitc, haiiynite and soda- lite 356 of pyroxenes 360 solubility of alumina in magmas 297 Morrey, C. B., origin of petroleum 702 Morse, H. W., gases in fluorlte 319 Morton, E . H. See Thorpe^ T. E. Moses, A. J., mercurj' minerals 634 Moses, O. A., phosphate rock 501 Moses Lake, analysis of water 151, 164 Mosesite 634 Moss, E. L., on Arctic air 45 Page. Mottiamite : ^4 Moolton, F. R., internal ttmpentore of the earth ^ 277 Moureu, C, and Biquard, B., argon and helium in waters leo radioactivity of waters 16B Hoorlot, A., vanadium In coal 673 Mrasec, L., petroleum OK Mrasec, L., and Teisseyie, W., Roamanian salts 222 salt lakes of Roomankt 161 Mrha, J., kelyphite 3S2 Mochin, J., von, analyses by 669 Muck, F., constitution of ooal 730 Muck, J., ozokerite eB7 Muds, oceanic 488, 489 Milgge, O., caldte and aragonite 627 fluorlte as cement 515 occurrence of perofsldte 332 scapollte amphiboUte 571 transition of quartz 342 MflJh&uaer.O., artificial grphlte 310 Mailer,E., water analyses 92 MOller, H., mine water 60« Milller, R., solubility of minerals 337, 4M,496 MtUler,W., artificial magnetite _ 327 MflUer.W.J. Sm KOnlgsberger and MflUer. Muellerite 496 Manster,C.A.,goldln8eawater ^.. 111 MOnster, H., bauxite 473 Munroe,C. E., artificial hematiU 329 Muntz, A., atmospheric transport of salt 51 bacterial decomposition of rocks 460. 461 bromine in Chilean niter 243 nitrates in the Nile 96 origin of nitrates 245 Muntz, A., and Aubin, E., oxygen of the atmosphere 41 Muntz, A., and Laind, E., nitrates in the at- mosphere 50 Muntz, A., and Marcano, V., black waters of South America 82 cave nitrates 241 nitric add in rainfall 49 Murdoch, J. A. W., atacamite 632 Murgoci, G. M., amphiboles 367 glaucophane schists 565 riebeckite rocks 360 Murray, Sir J., chemical reactions on ocean floor 119 oceanic carbonic add 133 origin of manganese nodules 121 saline matter in rivers 102, 106 total annual rainfall and nm-ofl 56 volume of the ocean 22 Murray, J., and Irvine, R., ammonia in sea water 110 calcium carbonate in sea water 117 discharge of rivers 116 formation of siliceous ooze 491 maintenance of marine life 136 manganese nodule 121 ro-solution of coral rock 117-119 secretion of lime salts by marine animals.. 119 sediment in sea water 482 IKDEX. 765 Page. Murray, 7., and Irvine, R., silica in sea water 110,491 Murray, J., and Renard, A. F., deep sea de- posits 119 glauoonlte 492 oceanic sediments 487,488 origin of glauconite 124 phosphatic nodules 123,500 solubility of silica 119 Murray, R. M., the Dead SeA 157 Muscovite 372-376 Mufitdngum River, analysis of water 72 N. Naab, River, analysis of water 92 Nadorite 661 Nagyagite 645 Nahe, River, analysis of water 89 Nantier, A., phosphorite 604 NantoWte 632 Napalite 637,687 Naphtenes 684 Naphthalene 686 Naschold, W. See Ilaucssennann and Naschold. Nasini, R., origin of boric acid 234 See also Perrone and Naslnl. Nasini, R., and Anderllni, F., analysis by . . . 173 Nasini, R., Anderllni, F., and Salvador!, R., fumarole gases 109.234 Nasini, R., and Levi, M. O., xadloactivity of lava L 300 Nasini, R., Levi, M. Q., and Ageno, F., water analysis 177 Nason, F. L., Franklin sine ores 645 Iron ores 549 scapolite rocks 571 Nasonite 646,651 Nastukofl, A., cellulose 705 Natrolite 395 Natron 151,227,231,235 Natron Lake, analysis of water 162. 165 Natterer, K., ammonia in sea water no analyses of water 113, 114, 158 carbonates in sea water 133 marine muds 491 on marine clays 127,491 Natural gas 682,663,696,697 Naumannite 622, 045 Navarro, F., native iron 312 Neagh, Lough, analysis of water 85,98 Nebular hyjMthesis 129 Negro, Rio, analysis of water 83,98 Nelson, J. L., analysis by 365 Nelson River, analysis of water 80 Nelsonlte 445 Nendtwich, , analysis by 712 Nentien, , antimony ores 658 Neodymiura ; 18, 679 Neon 18,40,683 Neosho River, analysis of water 76 Nephelite 363.354 melting point 279 Nephelite basalt 436 Nq>heiite rocks 420-423 Page. Nephelite syenite 422 Nepouite 664 Nesquehonlte 638 Nessler. See Petersen and Nessler. Neuberg, C, origin of petroleum 697 Neumann, P., diamonds in iron 307 Neuse River, analysis of water 67 Nevadite 412 Nevius, J. N. , tin deposits 654 Nevyanskite 668 Newberry, J. S., bog-iron ore 606 cannelcoal 718 origin of petroleum 700. 701 ozokerite 687 Newbery, J. C, gold tn iron ore 617 Newberyite 496 Newland, D. H., iron ores 445 Newland, D. H., and Lelghton, H., gypsum. 220 Newsom, J. F. See Branner and Newsom. Newton, W., origin of nitrates 244, 246 Newtonite 395.684 New Zealand geysers, analyses of waters 180, 186,189 sinter from 196 Niccolite 660 Nichols, H. W., cave nitrates 241 corals and crinoids 631,540 sand barites 51 4 Nicholson, E., analysis of water 96 Nickel, distribution 18 in ashes of sea weed 111 ores of 660-664 Nickel-iron, native 313-315 Nicolardot, P. , hydroxides of iron 607 Nile River, analysis of mud 481 anal yses of water 96 sedimentation in 482 Niobium. See Columbium. Niton 18,300 Nitrate deposits 241-246 Nitric acid in rainfall 40 Nitrogen, distribution 18 in sea water lOO proportions in the atmosphere 40 volcanic origin of 260 Nitzogen bases in petroleum 686 Nitroglauberlte 243 Nitie,H. B. C, iron ores 540 monazite 339,679 Nivenlte 676,680 Nlvolt, E., phosphate rock 496 Nocerite 268 Noeggerath, J. J., pvromorphite in slag 661 Noellner, C, origin of nitrates 244 Noelting, J., zinc blende 639 Noir, Lac 87 NoU, J. C, cited 80 Nontronite 468 Nordenski51d, A. E., carbon in meteorite 096 native iron In Greenland 312 uranium in coal 677 Nordenskidldine 652,654 Nordmarkite 416 Nordmarkose 416,422 Norite. 430 766 INDEX. Page. North Platte River, analysis of water 74 Northupite 235 Norton, J. H., cited 75 Nosean. See Noeelite. Nosean sanidinlte 425 NoseUte 365-357 Noumeite 6M Novaculite 51S-520 Noye«, W. A., analyses by 65,71,178,463 Nutter, E. H., and Barber, W. B., glaoco- phane rocks 665 Nyholm, E. T. See Ramsay and Nyhohn. O. Oak Orchard acid spring, analysis 187 Obalskl, J., uranium in pegmatite 678 Obsidian 412 fusibility of. 283 Occlusion of gases in rocks. 260-271 Ocean, age of 137-142 composition of. 23,207 Clements in 100-112 gases in 130-135 Influence of liTlng organisms on 136-137 the primeval 129 volume of 22 Ocean water, carbonates in 117-119 changes in composition due to freezing. . . 115 coucentiation of 207-210 density and salinity of 112-116 Oceanic salts, composition of 112-115 volume of 22 Oceanic sediments 119-126, 487-491 Ochers as spring deposits 193-194 Ochrolito 651 Ochscnius, C, average composition of i^mcous rock 26 cltDfl, on Stassfurt salts 209. 210 on Great Salt Lako 144 origin of alkaline carlwnates 230 of borates 240 of petroleum 698. 699 of salt berls 209, 210 saltpeter deposlLs 241, 242. 245 Ocmulgee Kiver, analysis of v/ater 68 Geonw River, analysis of water 68 Octahedrlte 333.334 Oder, River, analysis of water 94 Oebbekc, K., Rlaucophane rocks 369. 565 Oehmlchen, 11., chalcanthlte 632 Opien River, analyses of water 145 Ojo Callente, analysis of water ISO Okenlto 395 Oklahoma, river waters 75 Oldham, R. P., latorlte 469 Old Wives Tvakc, analysis of water 152. 1 (Vl Oleflnrs aS4 Oletlc Springs, analysis H4 Ollgoclise 346 Ollvcnlto 632 rOllvler, v., Chilian nltmtes 242 Olivine 369-371 melting point 279 Om , River, analysis of water 95 Omeose 415 Omphaclte 572 Onega, Lake, analysis of water K Onofrlte 654 Onyx marble 535 Oolite, calcareous. sa Oolite, siliceoas *» Oolitic sand 146,596,513 Oostanaola River, analysis of water ft Opal 3»,*I0 OphioUte. 576 Ordonex, E., petroleum (BS Organic matter in rock decompositioii 459,460 Organic matter in waters 97-99 Orpiment 657 Orthite. 3» Orthoclase S45-3« Orthogneiss 591 Ortlleb, J., ciplyte « Orton, E., dissemination of petrolemn 7(0 origin of petroleum fl97 spore cases in coal 739 Osann, A., classiflcatton of igneous rocks 408 rockdiagrams 451 Osmium 18, 315,668-673 Osteollte 496 Oswegatchie River, analysis of water 65 Ottawa River, analysis of water 65 Ottcn, F. K., river waters 154 OttreUte 373,376,586,586 Ottrelite schist 587 Outwater, R., analysis of water 67,68 OvoQstone 579 Owens Lake, analysis of water 150 soda from 227,228 Owens River, analysis of water 150, 165 Oxygen, concentrated by solution 48 distribution 13 proportions In the at raosphere 40. 41 solubility in salt water 130, 131 Ozokerite 687,701 Oione in atmosphere 42 P. Packard, R . L., analysis by 463 Pagenstecher, J. S. F., water analyses 89 Pahua Spring, analysis 172 Paigelte 652, 655 Palache, C, crossite 368 Sc€ also Jaggar and Palache; Lawson and Palache; Ransome and Palac^ «. Pallc Lake, analysis of water 161, 164 Palladium 18,31.5,668-672 Palladium gold 615,668 Palm, O. H. See Mabery and Palm. Palmer, A ., chlorine in river waters 99 Palmer, C, alkali determinations 64 analyses by... 65,60,67,68,69.70,71,73,74,76,77 composition of crinoids 540 diatoms in peal 199 interpretation of water analyses 57 Palmerite 498 Palmierite 258,649 Pantanelll, D.. origin of petroleum G98 Pandermitc 236 Papagayos, Rio de los, analysis of water S4 Papavasiliu, S. A., emery 322 INDEX. Puritr.H. N".. watPrson.ruisBJ 7S Fanncatler, F slumtiuilDmiiioralinUn.. 4T3 syntliataoIquartiandtililyinJte Ml ?UT, d.^V,.dsssiaciitlaDOf ooals 711 Parry, I., pH In Iron 27} Panons, A. I'.,gypnuii P..I... 711 Puchoi, ¥., ti»toIndlum.. Patronlta 87* Patten, H. £., and Wtggunim, W. H., ab- ■orptlOQ In Mild 4TT PattoOiH. »., iDn^atiotjul L.^rniulloc 3>3 Payoi. k., Tuacaa luQUTDlos 233 Pcaroa, B.. xrivenlotiold COS nranlnlte 675 Poucelte e33 F«olwr,7,clt«d. Ffchhim, B. P., ft]b«rtite Dciflii of pcUDleam .. Facktuun, B. F. udH. E., ■ulphuTinpetro- PeDuRIvcriaoBlysigofintcr ctBrtom beryl (ulphDhBllte Ste tint Duu and PenSeld: Oenth and Penfleld; Tdiiluga and Panfleldi Wd' id Pcnrtdl' \ II. * Udd otioiirmiillno.. TTUffiftiln llmanlte Psnfield. S. I.., and Forho, E. IT., byallla Penfleld. S. L., and Ford, V, F., nnd cal- 767 P««B. uid Bpeny F. L., oUotlt* Poifleid, B. I ti PsnOsld, S. T PMi>ld. fl, F" FenlUd, B. I a Penflaldlta MB Penhale, M., ctannDltBdepoalK 8W Pennlnito. J77 Penrow.R.A.P altcralloniarondcpoMU.. «I0 ctii:B!b 0 tons Bhoou CIO ChllMD nitrates 341,211 iroQ on from glauoonitB ia>,H7 mankiniuscflrai 610 phcB] iliawiock 4U,SM PoDfleld, 8. L., and Ina ii,O.S,ti Peichloialn Id ChUoan niter. .. Poroylln 7W Pcrfctaeo W,MB,aM Pertdot JVD Poridotlto 443.441 Periodic daadlteaUon et theelemenli i*-38 PerohatB SJI,m Perrajr, A. Sa RauteiBuItb) and Perrey. Pemmo, E., orlslnoIboralEa 3M Pem)t,F. L. ^KJaqiwRKlaml Penot. Pcler, R., matter extncled bom k>ii by dted 171 PMermann, A., and RrafUaa, J., cited 44,4t pBIBrmn, T., bauiite a) nickel Id magnclite k/ Pelerapn and X^.-aslcr unal j»r» of peat Ira Pcteraen and SchOdlcr, analyiM of wood 701 Polcmmn, W., analyaialiy 444 PelrsKh, K., fiuloQ cl mineral mlxtura. ... 391 Peirenko, O.I,, fiivrTiinnmcruiK' azi Polroloum flSl.TM m brino bom melting lee 114 ■ea water 4S,iaa Pottfia eie Ptoll, F.W.,dolomitliBUon 138 PtelOcr, E., cited on BlaariiirtnUtB. HO FfuriJt^n.O.vondor. SuKanls,T. Phanllte ia Fhalen, W.C, unaklta 172,173 Phenol, In petroleum Phl]lp,K.9. SnOibb and Philip. PblUppI, E., carbon dloilds and cUmale... Phillip* A.n..canioUtB en phlllliK, F. C, lormatlan o[ marab gu W7 DBdiral gu.. 683 pc ttoleum In loaslls M Phllti[je, J. A., action of Ka water on rocki. . £43 768 INDEX. Phillips, J. A., mine waten 004 sandstone 517 Phillips, W. B., iron ores 549 petroleum 685 phosphorite 501 Teriingua mines 634 Phillips, W. B., and Hancock, D., bacudte. . 474 PhiUipsite 120,395 Phipson, T. L. , primitive atmosphere 53 Phlegrose 416 Phlogopite 373-376 Phoenicochroite 650 Phonolite 420 fusibUity 282 Phosgenite 646,648 Phosphate rock 495-504 Phosphatic nodules 123, 501 Phosphorite 495-504 Phosphorus, distribution 18 in sea water 110 Phosphosiderite 496 PhyUite 581,584,686 Phytostearin 703 Plchard, P. , solubility of minerals 454 Pickeringite 237 Plcotite 326 Picrite 440,441 Picromerite 212 Piedmontite 886,387 Pierre, I., salts in rainfall 51 Pigeon River, analysis of water 65 Pilkington, B., water analyses 78 Pilotti, C, phosphates 501 Pfanelite 664 Pinlte 384,386 Pinnoite 214,238 Pinnow, J. See Will and Pinnow. Pirovaroff, J., chlorine in rain 50 Pirsson, L. V. , cassiterite in hematite 653 crystallijation of magmas 297 primary analcite 352, 426 See also Weed and Pirsson. Pirssonite 235 Pisani, F.. analysis of spinel 324 See also Saeraann and Pisani, Pisolite 527 Pissis, A., nitrates 242 Pistomesite 545 Pitchblende 675 Pitch coal 687, 688, 712 Piutti, A., helimn in minerals 304 Plagionite 647 Planetesimal hypothesis. 55, 129 Plata, River, analyses of water 83, 9S Platiniridium 670 Platimun , distribution 18 in igneous rocks 315 ore of ; 668-672 Platte River, analyses of water 59, 61, 74 Plattensee, analysis of water 94 Plattnerite 647 Plauchud, E., reduction of sulphates by mi- crobes 5ol Playa Lakes 225 Playfair, L. , colliery pases .• 726 Pleonaste 324,326 Plombi^res, action of hot witters at , on brick . . 199 analyses of waters cited m Plumbogummite 651 Plumbojarosite 60 Plummer, G. W., pyrite and marcasite 31S Podolite 3S PoeschI, v., silicatte fusions 291 Pogue, J. E., sand barites 514 Pollard, W., uranium and vanadium in rocks. 673 See also Clough and Pollard. Polianite 508 Polonium 12,299,676 Polyargyrite 623,624 Polybasite 623 Polydymlte 600,672 PolyhaUte 212,215 Polylithionite 372 Polymethylenes 684 Pomeroy, Ohio, brine 171 Ponteil, O. du, water analysis 189 Poole, H. H., radioactivity 300 Popocatepetl , water from 189 Popoff, L., gas from river mud 697 Popoff , S. P. See Vemadsky and Popofl. Popovid, Saligny and Georgeaoo, water analysis 161 Popp, O., boron nitride 233 urao 226 water analysis 97 Porcher, S.,electrum 615 Porter, F. B. See Bailey, E. H. S. Porter, J. L., analysis of water 70 Porter, J. T. , fuller's earth 484 PoSepny, F., atmospheric transport of sidt.. . 51 lateral secretion 600,601 heavy metals in waters a>4 ore deposits 599 Posewitz, T., asphalt and petroleimi 689 Potassium, distribution 19 in seaweed 128 proporl ion of, in ocean 127, 12S Potassimn nitrate. See Saltpeter. Potassium salts, absorption by clays 127,200 Potomac River, analysis of water 67 flow of 68 Potoni<^. H. , origin of coal 707 origin of petroleum 701 Pouget , I. , artificial pyrargyrite 624 Powder River, analysis of water 7S Powellite 666 Power, F. D., nickel ores 664 PoMuoli , analysis of solfatara water 1S8 Praseod>'miimi 19, 679 Praseolite 385 Pratt, J. n.,chromite deposits 327,66fi corundum 322 paylussite, northupite, pirssonite 235 occurrence of spinel 325 origin of talc 394 talc 578 Sec also Hidden and Pratt, Penfleld and Pratt. Pratt, J. IT., and Lewis, J. V., chromite de- posits 322, 666 Pratt, J. H.,andStcrrett,D. R.. tin deposits. 655 Pratt, N. A., phosphate rock 502 INDEX. 769 Page. Precht, H., cited, on Stassfurt salts. 210 on langbanite 212 Prccht, H., and Wittjen, B., kieserite 216 Precht, J.,heaiof radium 299 See aUo Runge and Precht. Predazzite 644,545,596 Prohni te rock 597 Preiswerk, H., sodalite trachyte 357 Prcssuro and chemical change 277 Prestwich, J., water In volcanlsm 270 Pxetoria salt lake, analysis of water 162, 165 Prioo, T., water analysis cited 78 Prioeito 236 Priestley, J., gases in rocks • 261 Primero, Rio, analysis of water 84 Pring, J. N., and Button, R. 8., synthetic hydrocarbons 692 See also Hayhurst and Pring. Prior, G. T., dundasite 648 riebeckite rocks 309 teallitc, etc 652 See aUto Ilussak and Prior. Prior, G. T., and Spencer, L. J., ccrargyrito group 625 Prismatine 362 Priwoznik, E., native iron 315 Prochiorite 377, 574 Prost, E. See Spring, W. Proustite 623,634 Prowersose 419 Przibylla, C, formation of camallite 214 Pseudoboleite 649 Pseudobrookite 331 Pseudogaylussite 148 Pseudoleucito 352 Pseudoncphelite 333 Psilomelane 509 Psittacinite 651 Pteropodooze 120,488,489 PUloUte 395 Pucheritc 674 Puiggari, M., cited 83 Pulaskose 416, 426, 432 Pulgar, P. del. See Calderon, C. S., etc. Pumpelly, R., native copper 626 looss 485 sedimentation 488 Purdue, A. H., phosphate rock 502 Purington, C. W., Uralian platinum 670 Pyramid Lake, analysis of water 147, 165 Pyrurgyrite 623, 624 Pyrito 258,316-318,603 Pyrocat«chin 731 Pyrochroite 508 Pyrolusitc 509 Pyromorphite 650, 651 Pyrope 380 Pjrrophanite 331 Pyrophyllite 396. 678, 584 Pyrostilpnite 623, 624 Pyroxene 357-364, 564, 576 Pyroxenrite 441 Pyrrhotito 258,316-318,661,662 101381°— Bull. 491 11—49 Page. Q. Quadrat, B., analysis of spinel 324 Quartz 339-345 gaseous inclusions in 261 melting point 279 volatility of 25&-260 Quartz-alunite rock 473,474 Quartz basalt 434 Quartz-diaspore rock 473 Quartz dlorlte 430 Quartz monzonite 428 Quartz porphyry 414 Quartz trachyte 412 Quartzine 339 Quartzite 579-^81 Quayle, W. O. See Mabory and Quayle. Quensel, P. D., formation of quartz and tridymlte 279,342 Querclgh, E. See Pelllni and Quercigh. Quercyllte 499 Quincy mine, water from 174 Quinton, R., ocean water 109 Qulsqueite 674,713 R. Raben, E., nitrogen and silica in sea water . . 110 Radioactivity 204, 298-304, 676 Radiolarian ooze 120, 488, 489 Radiothorium 12, 300 Radium 19,290-304,676 in sea water 111. 300 in springs 204 Radominsky, F., synthesis of monazite and xenothne 338 Ragsky, F., analjrsis by 182 Rainfall 48-51 Raken, M. See Ck>hen, E. Rakusin, M., petroleum 703 Ramage, H. See Hartley, W. N. Ramirite 674,677 Rammelsberg, C, composition of tourma- line 392 Rammelsbergite 660 Ramsay, Sir W., composition of the atmos- phere 40 sedimentation 482 See aUo Rayleigh and Ramsay. Ramsay, W., and Travers, M. W., argon and helium in minerals 261 Ramsay, W. (of Helsingfors), and niiacus, A., monazite in p^Tuatite 338 Ramsay, W., and Nyholm, E. T., cancrinite syenite 357 Ramsay and Hunter, sintering of silica 345 Rangelcy Lake, analysis of water 66 Rankin, G. A. See Shepherd and Rankin. Ransome, F. L., alunlte and dlaspore 242, 474 chert '. 519 enrichment of sulphides 611 glaucophane schist 565 lawsonite 391 See also Hillebrand and Ransome. Ransome, F. L., and Palache, C, lawsonite. . 391 770 IKDEX. Rarltan RiTer, ■nalysls of wmter M RastoU, R. H. 5m Hatch and RattaU. Rath, 0. Tom, anorthite In marble cristoballte mibUxnediUioatw. 260 nilphur depositt. M2 Rathite 941 Rayleigh, Lord, argon In sprtngi 100 hydrogen in atmosphere 43 Rayleigh, Lord, and Ranuay, W., argon in springs 100 Raymond, R. W., ulntalte 087 Read, T. T., copper sulphide 080 phase rale 380 platinum 073 Reade, T. M., chemical domdatlfln 108,106 Realgar 257,057 Recknagel, R.,origtaiofttaidepctfta 055 Reotorlte 584 Red day, oceanic 488,400 Red Lake, analysis of water 158,103 Red River (Iiouislana), analyito of water — 70 Red Riverofthe North, analyses of water... 80 Red Sea, analyses of water 113 Redhigtonito 006 Redlich, K.A.,aiidOonm,7.,tBlodepostte.. 678 Redwood, B., formation of petrokmn 700 Reese, C. L., aohibUity of caktem pjioiphate. Relduiskito began, RiTer, analysis of water 02 Regnanlt, v., oxygenoftlieatmosplMn 41 Reich, A., synthesis of silUmanito 888 oftopas 888 See aUo Stutsor, A. Reichardt, E., analysis of bittern 231 Reichardtlte 212 Reichort, F., Argentine borates 237 Reid, C, and Scrivener, J. B., caasiterite 663 Raid, J. A., mine water 604 Reid, W. F., Argentine nitrates 244 Reinden, O., bog-iron ore 506,507 Relndl, J., cited 82 Reinitzer, B., trona 228 Relset, J., cartwn dioxide in air 44 Reiter, H. H., fusion of mineral mixtures 201 Reitingor, J. See Hussak and Reitinger. Rcmingtonite C63 Renard, A. F., phthanito 618 phyllites 587 See also Murray, J. Renard, A. F.. and Comet, J., phosphorite. . . 500 Renault, B.,c>annclcoal 718 peat 718 micToofRanisnis in coal 720 See alio Bcrtrand and Renault. Rennle, E. H., vanadium in clay 673 Rcpuhlican River, analysis of \^'ater 75 Rotgers. J. W., constitution of pyroxenes 304 minorals in sand 480 Renter, M. See TreadwoJl, F. P. Reycr, E., voIcanLsm 271 Reyes. H io de los, analysis of water 84 Rezbanyite 647 Rheincck, H., composition of tourmaline 392 Rhine. River, analysis of silt 481 analyses of water 80,08 Rhodium 18,SU,0»-en Rhodium gold , Rhodochnsito , Rliodonite , Rhodusito , Rhoenito m Rlione, River, analysis of water K RhyoUte 413,418 ftuiblllty Rlban, J., synthesis of eerosstte Riociardi, L., vanadium in lavm on Rictiards, Ellen S., chlorfaia maps iO Richards, R. H. Asf Day and Ricbards. Richards, R. W.* Set Oals and RlflbwdSw Richardson, C, asphalt grshamlto Richardson, C., and WaOaoe, B. C, Tens petioloam. •..■•.•••*••••.•...... Richardson, G. B., natnial gss sulphur deposlto tin deposite •......•..•.••.....•.. watersofUtah 144 Richardson, T., baiytle deposit. Ridimond, H. D. AaeFBppi,A. RIditerlto Rtehthofen, F., loess Riekard,E., tin deposite Riekard, F.. tungsten ores OM Riokard, T. A., predpitatknofsllvw. OM Bohitkm and deposition of gold ei8»SI0 Riokardito m Rifskette, L.C.,eited US Riebeckite 368 Rieke, R., melting ppinte of silicates 378 Riemann.C, Stassfurt salte 210 Ries,H.. alteration of pyroxenes 363 clays 484 limestones 533 peat 711 sinclte 641 Riess, E. R.,eck)gite 572 Rlgaud, F., origin of coal and petroleum 606 RIggs, R. B., analyses by 490, 483. 484, 486, 547, 670, 581 , 593 Riley, E., titanium in clays 476 Rimann, E., magmatic sphalerite 641 Rinne, F., reactivity of quarte 345 Rinne. F., and Kolb, R., StassfUrt salte 314 Rinneitc 214 Rio Grande, analj'sis of water 77 Rising. W. B. See Le Conte and Rishig. Rislor and Walter, Lac Ltoian 86 Ritom, Lac, analysis of water 87 Ritter, A., nature of earth's interior 55 RIvas, S., cited 83 Roanoke River, analysis of wator 67 Roberts, J. ^S^^ Anderson and Roberts. Roberts, M.G., analyses by 64,06,60,67,68,73 Roberts- Austen, W. C, melting pointe of minerals 278,270 Robinson, A. C, and Mabory, C. F., analysis by 174 Robinson. F. C, analyses of water 66 phocphoric ai»i<l in bcrji 393 Robertson. J. D., heavy metals in rocks... 001.643 precipitated line sulphide 640 INDEX. 771 Page. Robertson, J. D., zinc deposits 644 Rockbridge Alum Spring, analysis 187 Rock River (Illinois), analysis of water 72 Rock River (Minnesota), analysis of water. . . 71 Rodzyanko, A., cited 98 Roebllngite 651 Roepperite 370 Roesler, H., kaolinization 468 Rocssler, F., synthesis of argentite 621 of galena and clausthaUte 645 R(36sler. H., platinum in silver bullion 671 Rdttisite 664 Rofe, J., cannel coal 718 Rogers, A. F., alterations of copper 627 riebeckite rocks 369 Rogers, W. B. and R. E., solubility of min- erals 454 Rohland, P., plasticity of clays 478 Rolofr,M., cited 287 Romburgh, P. van, analysis by 186 Romeite 659 Romer, E. von, cited 137 Roncegno, analysis of water from 177 Rondet, J., sulphosalts of lead 647 Roozeboom,H. W. B., phase rule 290 Roscoe, n. E., mottramite 674 RoscoeUte 372,674 Rose, O., fusion of limestone 532 synthesis of tridymito 341 uralitization 564 Rose. T. K., all03rs of gold and tellurium 616 RoseUte 663 Rosen, F., alteration of dolomite 545 Rosenbach, O., volcanic nitrogen 259 Rosenbusch, H., chloritic substance 574 classification of igneous rocks 403, 404 epidotization 571 garnet and prehnite rock 597 glaucophane rocks 369 gneiss 591 order of deposition of minerals 2Pr, 447, 448 succession of minerals in igneous rocks. 447,448 venanzite 435, 436 See also Hunter and Rosenbusch. Rosenbuschite 363 Rosenlecher, R., mercury deposits 638 Rosiwal, A., physical analysis of rocks 451 Ross, O. C. D., origin of petroleum 695 Rossel, H., carbide theory of volcanism 267 Roth, J., predazzite 544 Rothpletz, A., oolitic sand 525 Roumania, salt lakes of. 161 Rousseau, O., artificial diamond 308 Roux, B., water analysis cited 156 Rowlandlte 680 Rubidium, distribution 19 in sea water 110 Ruer, R.ftee Levin and Ruer. Ruff, O., iron hydroxides 507 Rumbold, W. R., tin deposits 054, 656 Rumpfite 377 Rungo, C, and Precht, J., heat of radium ... 299 Ruppin, E., ocean water 128, 134 Russ, F., aluminum hydroxides 475 Russell, I. C, adobe soil 485 calcareous tufa. £25 Page. Russell, I. C, disint^ration of rocks 467 gypsum 217 Lake Lahontan 143, 147 residual clays 534 Russian River (California), analysis of water. 79 Rust. See Fischer and Rust. Ruszanda, Lake, analysis of water 161 , 165 Ruthenium 18,315,66&-672 Rutherford, E., age of minerals 303 radioactivity 302,303 Rutherford, E., and Barnes, E. T., heat of radium 299 RutUe 333-^35 Rutley, F., novaculite 518 Ryba, F., chromite deposit 666 Rzehak, A., mercury deposits 638 S. Saale, River, analysis of water W Sabatier, P., and Senderens, J. B., S3mthetic hydrocarbons 601 Sacc, F., niter in Bolivia 244 Sachs, A., kleinlte 634 Sachsse, R., water analysis 15ff Sacramento River, analjrsis of water 79 Sadtler, S. P., distillation of linseed oil 093^ natural gas G8S Saemann, L., and Pisani, F., alteration of cancrinite 367 Safflorite 660 Saflord, J. M., phosphorite 501 Sahlbom, N., analysis by 422 Saiute-Qilles, L. P. de. See Hautefeuille and SainteGillea 374 St. Lawrence River, analyses of water 67 flow of 96 Saladillo, Rio, analysis of water 84, 153 Salic minerals 404 Salinas River, analysis of water 79 SalineRlver, analysis of water 75 Salisbury, J. H., the Dead Sea 157 Salisbury, R. D., mineral matter in the sea.. 116 See alto Chamberlin and Salisbury. Salite 360 Salomon, W., occurrence of spinel 325 Salsomaggiore, water of, analysis 173 Salt 217-219 Salt beds, origin 206-210 Saltet, R. H., and Stockvis, C. S., cited 102 Saltpeter 241,243 Salt River, analysis of water 77 Saluda River, analysis of water 68 Salvadori, R., synthetic hydrocarbons 691 See also Nasini, R. Samarium 19,679 Samarskite 678 Sambhar Salt Lake 139,162 Samsonite 623 Sand 478-480 Sandberger, F., analyses by 185 lateral secretion 600, 601 platinum in limonite 671 serpentine 575 Sandstone 513-^18 average composition 28-^1 Sandstone reefs 514 772 INDEX. Pige. Smiowi, 8., pwolpttitfd ctktam ctrbeante.. 0an Oabrid River, analjnii of witcr 70 San Joaqaln River, analyils of miter 70 flan RomAn, F. J., WBter analyrii. U3 Banta Ana RlTcr,aiialjrii of miter 79 Santa Clara RlTcr,analyBia of water, cited... 78 Santa ICariaRlTcr, anal jiii of water. 79 Santa Yn« RiTcr, analyria of water 79 Saponite 906 Sapper, K.,voloaiioes of Java 270 Bapropel 701,707 8anein,E. Am Filedal and SarMlii. Saratoga watery analyaee. 175 flardeaon, 7. W. 8» Hall and SardawiL flarUnlte 660 Sartorite. 646^617 Sartorina voa Walterdianaen, and TiaaetilT, A.wn,Etna 383 Saekatcbewan River ajretnn 80 Saenlite. 282 Saner, A., alteration of leacite to analdta. 882 graphitold 720 kryptotile 874,584 Saoanrite 886,668^570 Savage, T. E., peat ^ 711 Savannah Rtver,anal7ria of water. 68 Savu-Savu Spring, analyala of 174 Saxomte 410,412 Saytsefl, A., Uralian platinum 670 Soaodil, A., fluorite on lavaa 810 toodte paeodomorphs 852 sublimed sOloates 260 Vesuvian sublimates 249,258 Scandium 19,679 ScapoUt« 383-385 Scapollte rooks 570-571 Scarpo, O., radioactivity of lava 300 Schafarzik, F. , the Medve Lake 161 SchafhiLutl, P., synthesis of quarts 340 Schaller, W. T., analyses by 587 barbierite 345 bismuth ocher 659 dahllite and podolite 338 dumortleritc 391 hulsite and palgeite 652 molybdic ocher 666 warrenlte 647 Schaller, W. T., and Ulllebrand, W. F., lawsonlte 391 See also Illllebrand and Schaller. Schapbachlte 623,647 Schardt, H., subterranean erosion 199 Scharizer , K . , composition of tourmaline 392 constitution of hornblende 367 Scheellte 667,668 Scheercr , T . , formation of dolomite 540 of mognesian carbonates 536 Scheererite 687 Scheffcrite 360 Schenck, A., chloritization 574 copper ores 629 epldotlratlon 387,571,572,573 Sobering, U. G., loess 485 Schertel, A., melting points of minerals 277 See also Stelzner and ScherteL acherteUte 496 SdilokmdantSy T., citad 2M Soblebe, O., gcJd In olivine rook 613 SdmUng, J., dlstribntiOD of thorium 639 Sddnnerer, L., and Morawsky, T., piyroQ^ teohin flram Ugntte 731 Sohinnertta 03,617 Sofaist 581-683,68^501 Schlagintwelt,H. von, Tibetan hoimx 831 Schleimer,H.,BlUcateAiBloiis 291 Solilieraee, analysis of water 88 Soh]fi8lng,C., sedimentation 483 Bchkwwlng, T., ammonia in atmoaphera. 50 ammonia in sea water no analyses of sea water 112,113 ooeaniD carbonic add lai plasticity of days 478 sojnbiUtyofcaldumoarlMiiata.... ii7 solubility of oaldum phosphate..... . . .. 468 tropical soUs 478 Sdihmdt, H., and Mocre, E. B., radloaotlvity ofwaters xm Schmelok, L., analyaes by 113,410 marine clays 127 marine muds 491 Sehmidt, C, cfaamosita seiicitio rooks Schmidt, C. (Dorpat), water analyses Oi, 112, 114» 154, 188, 160 ftmiarolesoflContaCerboU «, 232 Schmidt, R. B. Set Lunge, G. Schmidt, W. B., action of sulphnroos add on rocks 450 Schmits, E. J., ooifper in fossil wood 627 Schmuts, K. B., artificial scapoUte rock 384 formation of trldymlte 341 fusion of mineral mUturee 291 8chnarrenberger,C., analyses by 597 Schneider, E. A., analyses by 196, 441. 463, 517,520,581 See also Barus, C; Clarke and Schneider. Schneider, J., water analysis 161 Schneider, K., origin 01 perofsklte 332 Schneider, 0.,riuncite 214 Schneider, R.,cubanlte " C28 precipitation of silver sulphide 622 synthesis of emplectite 631 of wittichenite 631 of greenockite 63$ ofmatildite 634 Schddler. Sec Petersen and SchOdler. Schoellcr, water analyses 83 Schoenlte 212 Schorlomite 381 Schrauf, A., kelyphlte 382 mercury ores 637.638 mine waters 004 serpentine from garnet 576 Schireibersite 312 Schreiner, O., and Fallyer, O. U., absorbent power of soils 477 See also Kahlenberg, L. Schreiner, O., and Shorey, E. C, organic mat* ter of soils 98 Schr5ter. See FrOh and SchrOter. Schrdtterite 584 Schucht, F.,dted 90,481 INDEX. 773 Page. SchOler, E., synthesis of greenocldte 639 Schilli>r, G., chromium in a phosphate 4d9 Schilrmann, E ., precipitation of sulphides ... 612 Schatzcnbcrger, P., volatility of silica 259 Schulten, A. de, synthesis of analcite 351 synthesis of gibbdte 474 of lanarkite 649 of laurionite 649 of malachite 633 of molybdenite 666 of northupite and tychite 235 of phosgenite 648 See also Lacroix and Do Schulten. Schultz, A. R., cited 152 Schultze, II., sjm thesis of wuUiBnite 660 Schulze, H., and Stelzner, A., artificial tridy- mite 341 artificial willemite 642 Schunett, Lake, analysis of water 159, 164 Schunglte 720 Schuster, M., flchtelite 711 Schwager, A., analyses by 88, 90, 92, 481, 494 Bavarian waters 88 loess 485 river silt 481 Schwantke, A., artiflrial tridyraite 341 chemical system of eruptive rocks 404 iron in basalt 312 osteolito and staffolite 496 Schwartz, E. H. L., African hot springs 202 interior of earth 39 primitive atmosphere 55 Schwartrembergite 648 Schwarzonbac'h, , the Dead Sea 157 Schwoidler, E. von, and IIcs3, V. F., heat of radium 299 Schweig, M., magniatic difTerentiation 298 Schweinfurth, O., and Lewin, L., origin of al- kaline carbonates 230 Schweitzer, P., analyses by 172, 177. 180, 182 Scolecite 395 Scorodite 657 as a spring deposit 19G-197 Scrivener, J. B. See Ueid and Scrivener. Scrope, P., volcanoes 297 Seal, A. N., ozokerite 687 Seamen, W. U., analyses by 615 tallow clays 644 Secondary enrichment 611, 612 Sedimentary rocks 513-556 average composition 2S, 30, 31 volume of 28, 31 Sedimentation 482 Seebach, M., native iron 312 Seidell, A., water analysis 78, 145 See alto Cameron and Seidell. Seine, River, analysis of water 86 Sclenite. See Gypsum. Selenium, distribution 19 in mineral springs 173 Selcn sulphur 257 Sella, A ., nickel iron 314 Sellards, E. II. , phosphate rock 602 Selle, v., origin of kajlin 469 Semper, E., and Blanckenhom, M., origin of nitrates- 24 1 Page. Semper and Michels, Chilean nitrates 242 Semseyite 647 Senarmont, H. de, precipitati<m of silver 620 reduction of copper 627 synthesis of chalcopyrite 028 of pyrargyrite and proustite 624 of pjrrite 317 of quartz 340 of realgar, stibnite, and bismuthinite. 657 of sphalerite 639 sulphides of cobalt and nickel 661 Senarmontite 659 Sonderens, J. B. See Sabatier and Senderens. Sericite 372,566-588,688 Serpentine 394. 576-570 Sestinl, F., solubility of minerals 454 Sevier Lake, analysis of water 145 deposita fh)m 22a Seybertite 373 Seyfert, F., water analysis 04 S hale 521 -524, 581 , 582 average composition 28, 31 Shaler, N. S., bog iron ore 60S peat 709 phosphorite ' 501 soils 434 Shales, metamorphosed 581,582 Sharpies, S. P., coral 531 phosphate rock 497 solubility of calcium phosphate 495 Sharpless, F. F. See Lane and Sharpless. Sharwood, W. J ., telluride gold ores 616 Sheep Creek, analysis of water 81 Shelton, II. S,, rain and river water 137 Shenandoah River, analysis of water 67 Shcpard, C. U., phosphate rock 497 Shepard, C. U., jr., phosphate rock 497 Shepherd, E. S. See Day and Shepherd. Shepherd, E. S., and Rankin, O. A., binary systems of alimiina, etc 278 synthesis of spinel 325 Shepherd, E. S., Rankin, G. A., and Wright, F. E.,cristobalite 342 Sherzer, W. H.,celestitc 552 sand 480 Shiraz, salt lake near, analysis of water 168, 162 Shoal Creek, analysis of water 177 Shonkinite 418. 419 Shonklnose 419 Shorey, E. C. See Sclireiner and Shorey. Shoshonose 428, 432. 433. 434 Shutt, F. T., and Si>encer, A. G , water an- alysis 65 Sibertzew, N., soils 484 Siberian Ocean, analyses of water 1 la Sicha, A., action of carbonated water on min- erals 456 Sickenberger, E., formation of petroleum 699 origin of alkaline carbonates 230 Sldener, C. F., analyses of water 70, 71. 171 Slderlte 397,545-647 Siderophyllite 373 ' Sidot, T., synthesis of galena 645 synthesis of greenockite and wurtzite 639 of magnetite 327 oftroUite 316 i 74 INDEX. Page. Sidot, T., synthesis of zincite 641 Siebenthal, C. E., limestone 533 marl 526 Siedentopf, H., color of salt 220 Siemens, E. W. von, volcanic explosions 275 Siepmann, P., constitution of coal 729 8iewert, M., water analysis 84, 153 Silber, P. G., synthesis of nephelite 354 Silica, in river waters 99 in sea water 110 volatUityof 259,260 Silicates, hydrolysis of 183 solubUltyof 119,120 Siliceous sinter 194-196.519 Silico-azo-humic acid 98 Silicon, distribution 19 fiilllman, B., jr., the Dead Sea 1 57 SiUimanite 389,390.584.585 Slllimanite schist 587 SUt 480-482 Silva, A. F. dc, and d'Agiilar, A., fluorine in spring waters 180 Silver, distribution 19 in native copper 620 in sea water Ill in volcaiiic ash 258, 601 occlusion of oxygen by 274 ores of 619-625 Silver Islet, analysis of water from 174 Silver, L. V., nickel deposits 662 Silvestri, O., fluid Inclusion In sulphur 552 hydrocarbons in lava 268,694 iron nitride 258 volcanic gases 253 Simmersbach, B., and Mayr, F., nitrate de- posit-s 242 Simpson. E. S., native tin 652 Singer, F., zeolites 39<) Singer, L., origin of petroleum 698 Singer, M., constituents of wood 706 Sinter, barytic 193,553 Sinter, calcareous 192, 193 Sinter, ferruginoas 546 Sinter, siliceous 194. 195, 196, 519 Slp6cz, L., analysis by 404 krennerit^ 616 See also Loebisch and Sip<5cr. Slserskite 668 Sltaparite 510 Sjogren, H., bog-iron ore 506 fluid inclasion in sulphur 552 Scandinavian iron ores 445 vesuvianite 383 Sjollema, B., perchlorates in soda niter 243 Skeats, E. M., acid water from sulphur beds. . 552 Skeats, E. W., coralline limestone 531 magnesia in coral reef 542 phosphate rock 504 Skey, W., analyses by 172. 180, 185, 189 awaruite 313 gold sulphide 014 ocean water 112 precipitation of gold 619 of silver sulphide 022 solvents of gold 617 Skiimer, W, W., mineral springs 186 Page. Skinner, W. W., underground waters of Arizona 186 See also Forbes, R. H. Skutterudite 600 Slate 521-«M,581,582 SUchter, C. S., voliune of ground water 33 Sloan, E., clays 484 Slosson, E. E., water analysis 74,152 Smaltite 660 Smart, C, water analyses 144 Smith, A. W. See Mabery and Smith. Smith, B. H. See Haywood, J. K. Smith, E. A., phosphate rock 504 Smith, F. D., tungsten ores 068 Smith, O. O., molybdenite 667 Smith, J., river waters 85 Smith, J. O. See Failyer and Smith. Smith, J. L., analysis by 175 native iron 312 Smith, J. P., eclogite 573 glaucophane rocks ^19,565 lawsonite rocks 391 Smith, R. A., oxygen of the atmosphere 41 peat , 709 Smith, Watson, resins in lignite 714 Smith, W. S. T., zinc deposits 614 See also Uhich and Smith. Smithite 623 Smithsonite 640, 642, 643,645 Smoky Hill River, analysb of water 75 Smoot, L. E., analysis by 1?7 Smyth, C. II., alteration of pyroxene 358,339 Clinton Iron ores 506 corrosion of quartz 345,457 limestone 596 losses of atmospheric oxygen 54 mclilite rocks 380 metamorphosed gabbro 571 talc 394,57S Smyth, H. L., iron ores 329 Snake River, analysis of water 7S Soap Lake, analysis of water 151,165 Soda Lake, soda from 226 Soda Lakes, analyses of water 148. 165 SodaUte 355-357 SodaUte syenite 357, 425,426 Sodalite trachyte 357 Soda niter 235,237.241-246 Soddy, F.. origin of helium 302 Sodium, distribution 20 metallic, in salt 230 sulphate deposits 222-224 Sodium chloride, in rainfall 50 See also Salt. SoeUner, J., rhoenite 368 Soils 467, 469, 475, 4S4 Sokoloff, N. v., origin of petroleum eSo SoUas, W. J., chert and flint 519 geologic time 137 order of deposition of minerals 292 quar tzite 5S0 Solomon River, analysis of water 75 Soltmann, R., raelanite 3S1 Solubility of minerals 454-159 Sommerfeldt, E., classification of Igneous rocks 404 Sommerlad, H., synthesis of chaloostibite — 631 IKDEX. 775 Page. Sommerlad, H., synthesis of siilphosalts 624 sulphosalts of lead 647 Sommermeier, £. E., coal analyses 713 Sondfin, K., cited 48,130 Sonnenschein, F. L., amalgam 615 SoDStadt, E., caesium and rubidium in sea water 110 gold in sea water Ill iodine in sea water 109 Sorby, H. C, calcite and aragonite 528 enlargement of quartz grains 514 formation of Tnagnesium carbonate 537 of siderite and limonite 545 magnesium sulphate in gypsum 535 shale 524 Soret's principle 2W Souesite 314 Sowetow, 8., Sea of Aral 154 Spaeth, E., water analyses 89,90 Spalding, E. P., Tcrlingua mines 634 Spaulding,H. 8., analyses by.. 70,71,72,73,74,76,77 Spencer, A. C, iron ores 606 magmatic waters 202, 606 Spencer, A. O. See Shutt and Spencer. Spencer, Herbert, nature of earth's interior. . . 55 Spencer, J. W., bauxite 473 Spencer, L. J., jamesonite 647 teUurides 616 See also Prior and Spencer. Sperry, F. L. See Penfield and Sperry. Sperryllte 672 Spessartite 380 Spezia, G . , formation of quarts and opal 344 metallic sodium in salt 220 solubility of quartz 457 sulphur deposits 551 Sphaerite 496 Sphserocobaltite 663 Sphalerite 639-641,643,644 Sphene 332 Spica, M., and Halagian, O., Italian waters. . 88 Spiegel, L., flchtellte 711 Spielmann, P., jet 712 Spilker, A. See Kr&mer and Spilker. 