None
transmitted by, 92 Food, fresh air and, 461 immunity and, 353 insufficient, 353 Foods, 458 adulteration of, 465 amount of, 462 animal, 494 beri-beri and, 574 "Bob" veal, 567 botulism and, 558 classification of, 461 decomposed, 468 eggs, 568 ergotism and, 571 flsh, 564 lathyrism and, 572 meat, 494 milk, 538 mushroom poisoning and, 573 paratyphoid fever and, 55 pellagra and, 577 plant, 571 potato poisoning and, 573 1048 INDEX Poods, preparation of, 491 preservation of, 473 shellfish, 565 uses of, 460 Foot-and-mouth disease, 286, 516 and vaccine virus, 20 Toot pound, 460 Fore milk, 497 Foreign inspection service, 109, 333 Forests, rainfall and, 700 water supply and, 700 Formaldehyde, food preservative, 488 insecticide, 191 Formaldehyde gas, 993 Formalin, 993, 1014 for destruction of flies, 191, 232 Formalin-lime method, 997 Formalin permanganate method, 996 Formula for bait for rats, 251 of De Chaumont, 655 Formute for arsenical dip, 262 for disinfecting solution, 1023 Fornell, 1020 Foster, 154, 488, 584 Fowls, epithelioma of, 224 Fraenkel, 132, 166 Fragilatis ossium, 932 Francione, 409 Francis, 193, 213 Frankland, 639 Franklin stoves, 667 Franz, 237 Frapolli, 578 Fraser, 575 Free ammonia, 736 Freeman's pasteurizer, 520 Freezing, 474 effect of, on hookworms, 118 machines for, 669 Freibank, 482 Freibank system, 545 Frequency, normal curve of, 437 Fresh air, 641 food and, 461 in schools, 947 Friedberger, 153 Friedemann, 398 Friedreich's disease, 455 Frisch, 474 Fritted glaze, 926 Froesch, 287 Frost, 277, 279, 402 Fruits, dried, 478 typhoid and, 91 Frying, 493 Fuel value, 460 Fugo-pyrismus, 579 Fugu, 564 Fumigation, for destruction of rats, 252. Fungi plant, destruction of, 198 Fungicides, 198 Furnaces, hot-air, 667 effect of, 666 Furs, arsenic in, 934 Furst, 178 Gaertner, 253 Gage, 797, 798 Galactase, 500 Galactose, 507 Gall sickness, 236 Galleries, filter, 710 Galli-Valerio, 230 Galliotti, 256 Gallon, grains per, 752 Galton, 422, 423 law of filial regression, 433 Garbage, 873 Gardner, 118 Gartner, 552 Gas, illuminating, 636 Gas heaters, 667 Gas pipes, 638 Gaseous disinfectants, 992 Gases, poisonous, in air, 635 Gasoline, 118 Gastritis, 550 Gastrotoxin, 393 Gay, 414 General debility, 351 immunity and, 347 paresis and, 300 Generalized vaccination, 19 Gengou, 394 INDEX 1049 Gentry, 288 Geodesy, 671 Gerber, 296 Gerhard, 796 German Plague Commission, 256 German Tuberculosis Commission, 125 Germicidal property of milk, 511 Germicides, 967 Ghon, 129 Gibson's method, 370 Gillette, 409 Glaisher's hygrometrie tables, 606 Glanders, 281 bacillus of, isolation of, 281, 283 Glaze, 926 Gley, 359 Glossina palpaUs, 233 Gluttony, 463 Glycerinated vaccine virus, 5 Glycocoll, 486 Gnats, 235 Goats, Malta fever and, 289 Goddard, 421 Goiter, 807 Goldberger, 154, 156, 194, 213, 264, 270 Goldmark, 918 Gonorrhea, 49, 53 and eyes of new-bom, 61 Goodhue, 295 Gorgas, 218 Gosio's reaction for com, 580 Gotchlieh, 104 Gout, hereditary transmission of, 451 Government control of vaccine virus, 21 Graham, 221 Graham-Smith, 146, 153, 230 Grancher, 157, 634 Grassi, 181, 208 Grave-yards, bacteria of soil in, 682 Gravity circulation, 661 Gravity cream, 497 Gray, 577 Great Lakes, 705 Green vaccine virus, 6 Green vitriol, 1021 Grieber, 178 Grit chambers, sewage, 852 Ground itch, 117 Ground water, 675, 708 Grove, 492 Gruber, 390, 1019 Gruber reaction, 400 Guaiac test, 536 Guernsey cows, fat in milk of, 497 Guinea worm, 837 Guiteras, 213, 221 Gumma, 51 Gunn, 115 Gunning modification, 532 Gutierrez, 117 Haab, 64 Haematobia, 224 Hsematopinus spinulosus, 236 Haffkine, 108 Haffkine's prophylactic, 256 Hair hygrometer, 612 Haldane, 645 Haldane's apparatus, CO2, 591 Haldane's method, 591 Halteridum, 208 Hamburg, cholera epidemic in, 819 Hamilton, 91, 188, 227, 914 Hammond, 644 Hamonic, 52 Hansen, 292 Haptophore, 357 Hardness, 733 Harrington, 490, 659, 671 Harris, 45 Hartsock, 95 Harwitz, 275 Hazen, 695 theorem of, 804 Heat, action of, on food, 491 effects of, 942 on milk, 522 man's adaptation to, 604 stagnation of, 602, 613 transfer of, 614 Heat regulating mechanism, 613 Heated milk, tests for, 535 Heaters, hot water, 636 1050 INDEX Heating, 665 Heiser, 258, 298, 575 Hektoen, 154, 156 Heller, 132 Hematoeytozoa, 207 Hemolysins, 389 Hemolysis, 392 Hemolytic system, 283 Hemophilia, hereditary transmission of, 450 Henri jean, 71 Henshaw, 265 Hepatotoxin, 393 Herdman, 566 Hereditary ataxia. Hereditary transmission, of alBinism, 448 of alcoholism, 453 of braehydactylism, 451 of cancer, 448 of cataract, 451 of color-blindness, or Daltonism, 449 of deaf-mutism, 448 of diabetes mellitus, 452 of disease, 442 of epilepsy, 453 of Friedreich's disease, 455 of gout, 451 of hemophilia, 450 of Huntington's chorea, 454 in insects, 262 through insects, 182 of leprosy, 448 of myopia, 451 of orthostatic albuminuria, 453 of polydactylism, 451 of retinitis pigmentosa, 451 of spirillum, 267 of syphilis, 446 of a tendency, 445 of tuberculosis, 137, 446 Heredity, 415 cell in, 434 dominance in, 428 vs. environment, 440 Galton's law of filial regression in, 433 Heredity, insanity and, 304 Mendel's law of, 428 normal frequency curve of, 437 principles of, 425 segregation and, 428 unit characters and, 428 variation in, 425 Weismann's views on, 427 Hermans, 644 Herter, 486 Hertz, 476 Heubner, 498 Heusinger desk, 951 Hewlett, 148 Hexamethylenamin, 80 Heymann, 602 Hides, disinfection of, 286, 944 Hill, 586, 602, 648 Hinckes-Bird ventilator, 664 Hinds, 196 Hippelates, 227 Hippobosca rufipes, 236 Hirsch, 271 Historical note on diphtheria, 153 Hodge fly trap, 231 Hoffman, 486 Hog cholera and meat, 550 Hogs, tuberculosis in, 549 Holcomb, 59 Hollmann, 296 Holman, 293 Holstein cows, fat in milk of, 497 Holt, 54 Homalomyia canicularis, 228 Homogenized milk, 498 Hookworm disease, 114 cleanliness and, 120 collateral benefits in campaign against, 121 distribution of, 114 education in, 120 eradication of infection of, in man, 119 immunity in, 118 parasite in, 116 personal prophylaxis against, 120 prevention of, 119 INDEX 1051 Hookworm disease, resistance to, 118 soil pollution and, 119 transmission of, 115 varieties of, 115 Hoplopsyllus anomalus, 241 Horner, 166, 449 Horricks, 639 Horrocks, 29t) Horse flesh, test for, 400 Horse sickness (Pferdesterbe), flies and, 224 Hospitals for insane, 308 Hot-air furnaces, 667 Hot-air sterilizer, 980 Hot water heaters, 636 Hot water pipes, 668 Hours of work, 916 House disease, tuberculosis a, 135 House flea, 239 House fly. See Musca domestica. House sewers, 845 Household filters, 792 Housing conditions, tuberculosis and, 142 Houston, 681 Howard, 224, 227 Hoyges, 43 Hubbard, 227 Hiibener, 554 Huggard, 608 Human tubercle bacilli, 123 Human vaccine virus, 4 Humidity, 605 and temperature, relation of, to health, 613 Humoral theory of immunity, 387 Humus, 671 Hunger, 463 Hunt, 472 Hunter, 389 Huntington's chorea, hereditary transmission of, 454 Huntoon, 177 Hutehins, 88, 841 Hutchinson, 294 Hydrochloric acid in air, 638 Hydrocyanic acid in food, 485 , ; Hydrocyanic acid gas, 1004 as insecticide, 194 Hydrogen peroxid, 490 in air, 586 Hydrogen sulphid, in air, 638 poisoning by, 937 Hydrophobia. See Rabies. Hygiene, 337 industrial. See Industrial hygiene of sex, 54, 58 Hygiene laboratory scheme for Pas- teur treatment, 44 Hygrometers, 610 Hygrometric tables, 606 Hymenolepis diminuta, 248 Hypersusceptibility, 403 Hypochlorites, 1019 Ice, 837 disease due to, 840 manufactured, 839 natural, 838 properties of, 840 typhoid fever and, 88 Ice-box, 475 Ice-cream, typhoid and, 90 Ichthyotoxismus, 564 Idiosyncrasies, 413 to eggs, 570 Illuminating gas, 636 in soil, 674 Illumination, measure of, 621 Imbecility, 455 Imhoff tank, 853 Immediate reaction in vaccinia, 17 Immigration, hookworms and, 121 insanity and, 307 Immune body, 359 Immunitas non sterilans, 348 Immunity, 337 acquired, 343 agglutinins, 400 anaphylaxis and, 403 to anthrax, 285 antitoxins and, 365 to cholera, 102 to diphtheria, 149 1052 INDEX Immunity to dysentery, 113 endotoxins and, 372 to hookworm, 118 induced, to egg, 570 to influenza, 172 inheritance and, 440 latency and, 350 to leprosy, 293 local and general, 347 lowered resistance and, 357 lysins and, 388 to malaria, 209 to measles, 155 mechanism and theories of, 338 mixed, 343 natural, 341 opsonins and, 388 to paratyphoid, 556 to phagocytosis, 384 to plague, 255 to pneumonia, 170 to poliomyelitis, 277 precipitins and, 396 to rabies, 46 to scarlet fever, 163 side chain theory of, 355 to smallpox, 14 specificity and, 346 to syphilis, 51 toxines and, 360 to tuberculosis, 135 to whooping-cough, 166 to yellow fever, 213 Immunization with tubercle bacilli, 137 Impetigo, 963 Impetigo contagiosa complicating vaccination, 19 Impounding reservoirs, 705 Inabo, 166 Inanition, 463 Inbreeding, 444 Incinerating plants, 872 Incision, vaccination by, 9 Incubation period of cholera, 102 of tetanus, 70 Index, of mortality, 902 of vitiation, COa and, 588 Indian com, 579 Indian Plague Commission, 241 Indices of successful vaccination, 11 Indirect infection, 315 Industrial hygiene and diseases of occupation, 911, 921 arsenic and, 934 carbon monoxid and, 936 children and, 917 dusty trades and, 938 factory inspection and, 919 fatigue and, 916 file cutting and, 927 fundamental considerations in pre- vention, 915 heat, effects of, and, 942 hours of work and, 916 hydrogen sulphid and, 937 lead and, 922 mercury and, 935 mining and, 941 parasites and, 943 phosphorus and, 930 pottery and earthenware and, 926 preventable accidents and, 920 sedentary occupations and, 921 textile industries and, 939 women and, 918 wood dust and, 941 Industrial insurance, 142 Infant mortality, 919 Infantile paralysis, 275 Infants, dysentery in, 113 Infected water, 692, 717 Infection in air, 632 carried by flies, 226 sources of, 313 Infectious, definition of, 317 Infectious diseases, insanity and, 299 Influenza, 172 Ingestion infection in tuberculosis, 131 Inheritance, immunity and, 440 Injuries to head, insanity and, 304 Inlets, 659 Inoculation, 23 Chinese method of, 27 typhoid, 94 INDEX 1053 Inorganic matter in water, signifi- cance of, 807 Insane, hospitals for, 308 Insanity, 298, 455 heredity and, 304 increase of, 419 infectious diseases and, 299 Insects, hereditary transmission in, 262 Insect-borne diseases, 181 bedbugs. and, 272 dengue, 220 filariasis, 222 fleas and, 237 flies and, 223 fungicides and, 198 general considerations in, 181 insecticides and, 187 kala-azar, 274 leprosy, 295 lice and, 268 malaria, 207 mosquitoes and, 200 pappataci fever, 237 plague, 254 rats and fleas and, 240 poliomyelitis, 278 relapsing fever, 266 relative efficiency and, 188 Rocky Moimtain spotted fever, 263 rodents and, 242 sleeping sicloiess, 232 South African tick fever, 267 Texas fever, 263 ticks and, 261 trypanosomiasis, 236 typhus fever, 269 yellow fever, 212 Insecticides, 187 relative efficiency of, 188 Inspected milk, 505 Inspection, ante-mortem, 548 meat, 542 milk, 518 post-mortem, 548 Inspection laws, meat, 517 Inspection service, foreign, 333 Inspector, meat, 545 medical, 958 Institutions, control of outbreaks of diphtheria in, 149 Insurance, industrial, 142 against syphilis, 52 Intercepting sewers, 846 Intermediate host, 181 Intermittent sand filtration, 856 Interpretation of water analysis, 763 Interstate pollution of streams, 719 Interstate quarantine, 333 Intestinal flora, 507 lodin, 1021 Iron, in water, 749 purification of, 800 Iron pipes, 750 Irrigation, subsurface, 855 broad, 856 Isochlors, 744 Isohemolysins, 396 Isolation, 334 in diphtheria, 150 in measles, 158 in smallpox, 33 Itchmite, 191 Ithaca typhoid epidemic, 831 Ixodiasis, 261 Ixodidee, 261 Jackson, 177 Jacoby, 572 Jahn, 166 Jeanselme, 296 Jellies, 480 Jenner, 339 Jerked beef, 478 Jersey cows, fat in milk of, 497 Jesty, 1 Joly, 295 Jones, 45 Jordan, 405, 406, 410 Jorger, 420 Joseph, Father, 295 Joshua Nicholson, S.S., 290 Jost, 304 1054 INDEX Joule, 668 Jukes family, 420 Kakke, 574 Kala-azar, 237, 274 Kalbrunner, 192 Kallikak family, 421 Kayser, 84 Keens, 942 Keflr, 508 Keller, 498 Kempner, 559 Kendall, 507 Kennedy, 289 Kenotoxin, 646 Kerosene, 196 emulsion of, 199 Kerr, 62 Kilbome, 262, -263 Kinderblattem, 25 Kinds of bacteria in water, 758 King, 117, 208, 264 Kinyoun-Francis chamber, 988 Kinyoun-Francis furnace, 1002 Kister, 247 Kitasato, 66, 71, 154, 374 Kitashima, 365 Kjeldahl method, 532 Klein, 92, 566, 1019 Kleine, 234 Klimenco, 166 Kling, 278 Knorr, 365 Kober, 730 Kobert, 572 Koch, 94, 124, 129, 208, 211, 266, 755 Koch steamer, 983 Kocher, 809 KoUe, 94, 96, 104, 256, 390 Koniseope, 629 Korsakow's disease, 302 Kraepelin, 304 Kraus, 111, 397 Kronecker, 600 Kronig, 1008 Krumwiede, 125, 127 Kuhn, 285 Kumyss, 508 Kurth, 160 Labarraque's solution, 1019 Laboratories, Board of Health, 151 Lactalbumin, 497 Lactic acid fermentation, 506 Lactodensimeter, 534 Lactoglobulin, 497 Lactokinase, 501 Lactose, 499 decomposition of, 507 Lakes, 704 Lamblia duodenalis, 248 Lansteiner, 160, 275, 277 Larvicide used at Panama, 206 Latency, 350 Latent heat, 840 Lateral sewers, 845 Lathyrism, 572 Laurans, 296 Lausen, typhoid epidemic, 823 Lavender, 577 Laveran, 207, 208, 836 Lavoisier, 583 Law, model registration, 879 of probability, 437 Lawrence and Lowell typhoid epi- demic, 832 Laws, compulsory vaccination, 22 meat inspection, 547 Lazear, 181, 213 Leaching cesspools, 866 Lead, in food, 485 manufacture of, 924 in occupations, 922 poisoning by, prevention of, 928 symptoms of, 924 in water, 751, 810 Lead oxid, 924 Lead service pipes, 810 Leal, 719 Leblanc, 39, 512 Lecithin, 472 Ledbetter, 59 Lederer, 805 Ledingham, 274 LefEmann, 780 INDEX 1055 Legge, 924 Legislation concerning defectives, 416 Lehmann, 644, 645 Leidy, 226, 474 Leiner, 277 Leishman, 94, 96, 267, 274 Lentz, 556 Leprolin, 297 Leprosaria, 297 Leprosy, 292 hereditary transmission of, 448 quarantine in, 326 rats and, 248, 293 Leucocytes in milk, 503 Leukocidin, 393 Leukomaines, 469 Levaditi, 160, 277 Levy, 71, 84, 154 Lewin, 932 Lewis, 236, 275 Lice, 268, 962 Liceaga, 218 Licensed establishments, 382 Liebreich, 487 Life insurance and syphilis, 52 Light, 620 measure of, 621 Lighting schoolrooms, £53 Lime, 1016 chlorinated, in water, 797 Lime water, standard, 591 Limestone formation, 715 ground water in, 711 Linen, disinfection of, 1032 Lipase, 501 Liquid sulphur dioxid, 1001 Liquor cresolis compositus, 1014 Lister, 633 Litharge, 924 Lithium, to detect water pollution, 719 Little, 576 Loam, 671 Lobar pneumonia, 168 Lobeck tube, 535 Lobenhoffer, 809 Local immunity, 347 Local reactions in Pasteur treat- ment, 45 Loeffler, 153, 253, 287 Loemopsylla eheopis, 239, 240 Lombroso, 416, 471, 578 London purple, 198 Londonderry, S. S., 643 Long, 486 Loos, 117 Lord, 173 Lorenz, 148 Lorenz apparatus, 509 Low, 208, 223, 274 Lowe, 188 Lower animals, diseases from, 313 Lowered resistance, 351 Lubarsch, 389 Liibberd, 645 Lucas, 278 Lustig, 256 Luxfer prisms, 953 Lymph, vaccine, 5, 7 Lymphoid stage in tuberculosis, 133 Lysins, 388 Lysol, 1014 MacFarland, 20 MacFayden, 289, 474, 837 Macfle, 621, 627 Macrocytase, 387 Macrogametocytes, 209 Madsen, 371 Maggots, 225 Maize, 579 Mai de Caderas, 236 Malaria, 207 immunity from, 209 mosquito and, 208 personal prophylaxis against, 210 prevention of, 210 quinine prophylaxis against, 211 relation of, to water, 207 transmission of, 207 and yellow fever, prevention of, contrasted, 220 Malarial mosquito, 208 Malignant edema, 686 Malignant pustule, 285 1056 INDEX Mallein test, 282 Mallory, 153, 160, 166 Mallory method for negri bodies, 48 Malta fever, 288, 516 Mammitis, 550 Management, of ease of typhoid, 98 of epidemic campaign, 319 of plague campaign, 257 Maneuver division, U. S. A., treated with typhoid vaccines, 97 Mankato typhoid epidemic, 831 Manneberg, 208 Manning, 669 Manson, 181, 208, 222, 267, 274 Manteufe, 267 Manufactured ice, 839 Marchand, 274 Marchoux, 213 Margaropus annulatus, 263 Marie, 41, 367 Maritime quarantine, 322 Marker, 662 Market milk, 505 Marlatt, 197, 272 Marimer, 796 Marmot, 253 Marriage, consanguineous, 444 Martin, 256 Marx, 42 Marzari, 578 Mason, 228 Massicot, 924 Matches, 930 Maternal transmission of anaphy- laxis, 408 Maximum temperature, 605 Mayow, 583 Mayr, 156 McClintic, 266 McClintock, 29, 188, 1012 McCollum, 208 McCoy, 241, 246, 247, 253 McCullom, 161 McLqughlin, 107, 805 McNeal, 233 McRae, 228 MeVail, 159 Meader, 83 Mean, 438 Measles, 154 immunity to, 155 prevention of, 158 resistance to, 156 transmission of, 156 Measly tapeworm, 562 Meat, 538 composition of, 538 dried, 477 inspection of, 542 inspection laws regarding, 547 inspector of, 545 nutritive value of, 539 poisoning by, 552 preservatives of, 541 reaction of, 539 sources of, 540 spoiled, 540 structure of, 538 test for, 400 Meat inspection laws, 547 Meat inspector, 545 Meat poisoning, 552 Mechanical carriers of infection, 226 Mechanical filters, 788 Mechanical transmission, 181 Mechanical ventilation, 665 Mechanism, heat regulating, 613 of immunity, 338 Median, 438 Medical inspection of schools, 956 Medical inspectors, 958 Medical Milk Commission, 505 Medical prophylaxis against ven- ereal diseases, 58 Melier, 218 Mendel, 429 Mendel's law, 428 Meningitis, cerebrospinal, 176 Meningococcus, 176 carriers of, 178 Mental diseases, 298 Mental hygiene, 310 Mercurial thermometer, 604 Mercuric chlorid, 1009. Minimum temperature, 605 Mining, 941 Miquel, 630, 639, 762 Misbranding, 407 Missed eases, 316 Mita, 153 Mitchell, 645 Mites, 191, 261 Mitosis, 434 Mitzmain, 240, 241 Mixed immunity, 343 Miyake, 246 Moczutkowski, 266 Mode, 438 Mode of transmission, of diphtheria, 144 of foot-and-mouth disease, 287 of hookworm disease, 115 of influenza, 172 of leprosy, 294 of Malta fever, 288 of measles, 156 of pneumonia, 169 of poliomyelitis, 277 of scarlet fever, 160 of smallpox, 27 of tuberculosir, 129 of typhoid, 86 of whooping-oough, 166 of yellow fever, 217 1058 INDEX Model registration law, 879 Modes of transference, 314 Modified smallpox, 23 Mohler, 20, 514 Moist warm air, 616 Moisture, soil, 675 Moizard, 157, 634 Monospora, 386 Monsoons, 603 Montagu, Lady Mary Wortley, 24 Moore, 296 Morax, 376 Mosca brava, 236. See also Sto- moxys calcitrans Moser, 165 Mosquitoes, 200 breeding places of, 202 destruction of, 202 life history and habits of, 200 screening as protection against, 205 suppression of, 210 transmission by, of malaria, 207 of leprosy, 295 of Malta fever, 289 of yellow fever, 213 Mosso, 600 Mountain sickness, 599 Mouse, 243 Mouth breathing, 961 Movements of air, 602 Muck, 673 Mueor mecedo, 934 Muddiness of water, 729. See also Turbidity Miiller, 45 Mumps, 168 Miinch, 266 Murchison, 684 Muridae, 242 Mus, 242 Mtis alexandrinus, 243 Mus museulus, 243 Mus norvegieus, 243 Mus rattus, 243 Musca domestica, 295 life history of, 224 Musca leprae, 295 Musearin, 573 Muscle, in anaphylaxis, 406 Musgrave, 835 Mushroom poisoning, 572 Mussel poisoning, 567 Mussels, 565 typhoid bacilli in, 91 Mutation, 426 ' Muzzling dogs as protection against rabies, 39 Myopia, hereditary transmission of, 451 posture and, 953 in school children, 960 Mytilus e'dulis, 567 Naegeli, 122, 639 Nagana, 236 Nankivell, 148 Nastin, 297 National quarantine, 333 Natural ice, 838 Natural immunity, 341 Natural ventilation, 661 Nature's method of purifjdng water 776 Neeator americanus, 115 Negative phase, 345 in typhoid, 96 Neisser, 396, 400 Neisser-Weehsberg phenomenon, 395 Neech, 161 Negri bodies, 48 Negroes, hookworm among, 118 Nephrotoxin, 393 Nessler tubes, 736 Nessler's reagent, 737 Neuman, 133 Neumann, 213 Neurasthenia, 964 Neuroryctes hydrophobias, 48 Neurotoxin, 393 Neustaedter, 279 New Haven typhoid epidemic, 829 Newsholme, 143, 153 Niagara's typhoid rate, 777 Nice, 1033 NicoUe, 52, 240, 270 INDEX 1059 Nitrates in water, 742 Nitric acid for dog bites, 41 Nitrites in water, 741 Nitrobacter, 679 Nitrogen in air, 585 Nitrogen as ammonias, nitrates, etc., 736 Nitrogen cycle, 676 Nitrogen peroxid in flour, 467 Kitrosobacteria, 678 Nitrosocoeeus, 678 Nitrosomonas, 678 Nits, 962 Nocard, 38 Non-potable water, 692 Normal chlorin in water, 744 Normal frequency curve, 437 Normal typhoid, 79 Nose and throat, school children's, 961 Nosebleed, 961 Notification of tuberculosis, 140 Nott, 208 Novy, 233, 267, 488 Nuisances, sewage works as, 862 trade wastes as, 863 Number of incisions in vaccination, 10 Nuttall, 153, 242, 295 Nutritive value of meat, 539 Obermeier, 266 Occupational diseases. See Indus- trial hygiene Odors, 619 in water, 723 CEnothera lamarekiana, 427 Offelman, 228 Ogdensburg, typhoid in ice at, 88 Oliver, 627 Open fires, 666 Open-air schools, 947 Ophthalmia neonatorum, 61 prevalence of, 62 prevention of, 63 legislation regarding, 65 Opsonic index, 388 Opsonins, 388 Organic impurities in water, 806 Organic matter, in expired breath, 646 in water, 736 significance of, 806 Organization of epidemic campaign, 320 Ornithodoros moubata, 266 Omithodoros savignyi, 268 • Orthostatic albuminuria, hereditary transmission of, 453 Osborne, 408 Osgood, 278 Ostertag, 568 Otto, 213, 796 Outbreaks of diphtheria, control of, in institutions, 149 Outlets, 659 Over-heated air, 666 Owen, 561 Oxid of iron in food, 467 Oxygen, absorbed, 746 in air, 584 consumed, 746 diminution of, 643 dissolved, 748 as a germicide, 1005 method of determining, 584 required, 746 in water, 746 Oxyuris vermicularis, 837 Oysters, 565 fattening, 566 floating, 566 laying out, 566 and typhoid, 91 Ozone, 585, 1005 in water, 794 Ozonizer, 795 Packard, 224 Page, 148 Paltauf, 39 Panama, larvicide used at, 206 Pandemic, 317 Pangonia, 183 Panpoukis, 45 Pans, cooking, 492 1060 INDEX Panum, 470 Pappataci fever, 237 Paraform, 993 Paralysis, Pasteur treatment for, 45 post-diphtheritic, 151 Parasites, animal, in water, 837 in diseases of occupation, 943 in rats, 248 Paratyphoid fever, 553, 555 Paresis, 300 Paris green, 197 Park, 71, 125, 147, 153, 177, 797, 1023 Parker, 213 Parkes, 658 Parks, 661 Parthenogenesis, 435 Passive immunity, 343 Pasteur, 41, 285, 339, 631 Pasteur institutes, 43 Pasteur prophylaxis against rabies, 39 Pasteur treatment for rabies, care during, 45 complications in, 45 contraindications to, 46 results of, 46 when to give, 47 Pasteur-Chamberland filters, 793 Pasteurization, 518 Patton, 263 Paul, 602, 647 Pearson, 436 Peat, 673 Pediculi, 268, 295 Pediculus capitis, 268, 962 Pediculus corporis, 268 Pediculus humanus, 268 Pediculus pubis, 268 Pediculus ^stimmti, 268 Pellagra, 5^ ^f^ insanity and, 301 Penicillium brevicaule, 934 Pennyroyal, 206 Percolating filters, 858 Perflation, 661 Pericarditis, 550 Peridinium, 754 Period of incubation, intrinsic and extrinsic, 212 Period of isolation in whooping- cough, 167 Permanent hardness, 734 Permanganate formalin method, 996 Permanganate of potash in water, 798 Permeability of soil, 673 Peroxidases, 501 Persian insect powder, 192 Personal hygiene, sex, 58 Personal prophylaxis, against cere brospinal fever, 179 against cholera, 110 against diphtheria, 151 against dysentery, 113 against hookworms, 120 against malaria, 210 against plague, 260 against tuberculosis, 135, 139 against typhoid, 100 Perspiration, 614 Pestis minor, 259 Petit mal, 963 Petri, method of, 632 Petroleum, 196 Petruschky, 83, 148 Pettenkofer, 92, 103, 589, 619 Petterson-Palmquist method, 593 Pettersson, 278 Pfeiffer, 94, 96, 107, 172, 390 Pfdffer's phenomenon, 389 Phagocytosis, 384 Phenol, 1011 Phenol camphor, 193 Phenol coefficient, 977 Phenolsulphonic acid method, 742 Phlebitis, 550 Phlebotomus duboscqi, 235 Phlebotomus pappatasii, 221, 237 Phosphorus, 250, 930 in rice, 575 Phossy jaw, 931 Photodynamic theory, 579 Phthirius pubis, 268 Phthisiophobia, 140 Physical changes in air, 647 INDEX 1061 Pickling, 479 Pietet, 474 Pig-pen odor in water, 726 Pin worm, 837 Pintsch gas, rats, 252 Pipes, lead service, 810 Piroplasma, 263 Pirquet, von. See von Pirquet Pitometers, 696 Pittsburgh and Allegheny typhoid epidemic, 833 Place diseases, 183 Plague, 254 bubonic, 254 endemic foci of, 257 epidemics of, management of 257 immunity to, 255 pneumonic, 254 prevention of, 260 quarantine in, 259, 324 in rats, 246 acute and chronic, 246 diagnosis of, 24 relation of, to rats and fleas, 240 in squirrels, 254 Plant antitoxins, 368 Plant foods, 571 Plasmodium malarisB, 207 Plasmodium falciparum, 207 Plasmodium vivax, 207 Plate ice, 839 Platinum cobalt standard, 729 Platinum wire method, 731 Playgrounds, 947 Plehn, 24, 211 Plenum system, 665 Plett, 1 Plumbo-solvent action, 811 Plumert, 296 Plymouth typhoid epidemic, 827 Pneumococcus, 168, 169 Pneumonia. See Lobar pneumonia Pneumonic plague, 254 Pneumonokoniosis, 627 Poellmann, 421 Point of election in vaccination, 9 Poisonous gases in air, 635 Poisons, for destruction of rats, 250 endogenous and exogenous, in- sanity and, 303 insanity and, 301 Polariscope method, 531 Poliomyelitis, 275 Pollack, 54 Polluted water, 692 Pollution, interstate, of streams, 719 of streams, 848 of soil, 682 of water, 717 simple tests for, 718 Polyarthritis, 550 Polydactylism, hereditary transmis- sion of, 451 Ponder, 286 Ponds, 704 Poor, 41 Popper, 275 Population, 888 methods of estimating, 893 Pore volume, 673 Pork tapeworm, 562 Porosity, 673 Porto Rican Anemia Commission, 120 Post-diphtheritic paralysis, 151 Post-mortem inspection, 548 Posture, 952 Pot method, 999 Potable water, 692 Potassium nitrate, 489 Potassium permanganate, 489, 1015 Potato poisoning, 573 Pothier, 213 Pots, cooking, 492 Potter's asthma, 927 Potter's rot, 627, 927 Pottery, 926 Poultry, drawn, 476 Powdered meats, 478 Prasek, 160 Precipitation, chemical, of sewage, 854 Precipitin blood test, 400 Precipitins, 396 1062 INDEX Predisposing causes of diphtheria, 149 Predisposition to pneumonia, 170 Pregnancy and work, 918 Preparation, of food, 491 of room for fumigation, 187 Preparative, 359 Prescott-Breed method, 526 Preservatives, chemical, 483 meat, 541 Preserves, 480 Pressure, air, 598 Prevalence, of rats, 243 of typhoid, 75 of smallpox, 25 Preventable accidents, 920 Preventable blindness, 60 Prevention, of bovine tuberculosis, 142 of cerebrospinal fever, 179 of cholera, 110 of common colds, 175 of diphtheria, 149 of glanders, 284 of hookworm disease, 119 of insanity, 308 of leprosy, 296 of malaria, 210 of malaria and yellow fever con- trasted, 220 of Malta fever, 291 of measles, 158 of mental diseases, 298 of pellagra, 580 of plague, 260 of pneumonia, 170 of poliomyelitis, 279 of sleeping sickness, 234 of tuberculosis, 138 of whooping-cough, 167 of yellow fever, 218 Preventive inoculatiops for typhoid, 94 Preventoria, 142 Price, 148, 197, 488 Priestley, 583 Primrose, 427 Privies, 866 Privies, in the South, 119 Pro-agglutinoid zone, 291, 401 Probabilities, law of, 437 Products, milk, 517 Proescher, 42, 43 Profeta's law, 447 Propagation, of defectives, 416 of vaccine virus, 7 Prophylactic inoculations, 108 Prophylaxis of pneumonia, 173 of scarlet fever, 163 of tetanus, 72 Prosodemic, 317 Prosodemic typhoid, 80 Prostatolysin, 393 Prostitution, 58 Protargol, 64 Protein metabolism, 411 Proteins, bacterial, 411 in milk, 495, 532 Pseudomonas protea, 402, 761 Psychical causes of insanity, 306 Psychrometers, 610 Ptomain poisoning, 469 Public health day in schools, 120 Pulex, 239 Pulex irritans, 239 Pulex serraticeps, 239 Pulicides, 239, 240 Pulp, vaccine, 5 Pumpelly, 639 Puncture, vaccination by, 9 Purification of water, 776 Puscariu, 43 Putrefaction, 469 Putrescin, 472 Putrid milk, 507 Pyemic conditions in meat, 550 Pyocyanase, 148 Pyrethrum, 192 Pyrolignic acid, 481 Pyrosoma bigeminum, 263 Pythogenic theory, 684 Quantitative view, 436 Quarantine, 321 bill of health and, 327 in cholera, 109, 323 INDEX 1063 Quarantine, disinfection of ships in, 329 equipment for, 328 interstate, 333 in leprosy, 297, 326 maritime, 322 national vs. state, 333 in plague, 259, 324 procedures in, 326 qualifications for quarantine offi- cer, 328 in rabies, 39 in smallpox, 324 in typhus fever, 326 in yellow fever, 325 Quartan fever, 207 Quartile, 439 Quevenne lactodensimeter, 534 Quick lime, 1016 Quinine prophylaxis against malaria, 211 Quinine solution in hookworm dis- ease, 119 Eabies, 36 diagnosis of, 48 entrance and exit of virus in, 38 immunity to, 46 Pasteur treatment of, 41 period of inoculation in, 38 prophylaxis against, 39 relative danger of bites and, 38 viability of virus in, 39 Radiation, 666 Radioactivity, 622 Railroad cars, disinfection of, 1028 Rain water, 698 Rainfall, amount of, 699 Ramsey, 585 Rankine, 694 Ransom, 376 Rat-bite disease, 246 Ratproof building, 249 Rate of filtration, 785 Rats, 242 bites by, 246 blacii, 243 breeding, 243 Rats, brown, 243 domestic animals and, 251 economic importance of, 248 Egyptian, 243 English, 243 food of, 245 fumigation for destruction of, 252 habits of, 245 house, 243 keeping food from, 249 leprosy and, 248, 293 migration of, 244 natural enemies of, 250 in Norway, 243 other parasites and, 248 plague and, 240, 246 prevalence of, 243 poisons for destruction of, 250 on roof, 243 shooting, 251 suppression of, 249 traps for, 250 trichinosis and, 248 typhoid and, 248 on vessels, 245 Raubitschek, 579 Rauer, 645 Rauschkinder, 303 Ravenel, 132, 148 Raybaud, 242 Rayleigh, 585 Rays, ultra-violet, in water, 801 Reaction, accelerated in vaccinia, 15 immediate in vaccinia, 17 of milk, 533 to typhoid vaccines, 95 of water, 731 Receptor, 356 Recess, 953 Red blood cells, influence of altitude upon, 598 Red corpuscles, 598 Red lead, 924 Reductases, 501 test for, 535 Reduction plants, 872 Reed, 92, 181, 213, 227 Referee Board, 486 1064 INDEX Refraction, errors of, in school chil- dren, 960 Refractometer, 533 Refrigeration temperatures, 475 Refrigerators, 475 Refuse disposal, 870 Registering thermometer, 605 Registration, of tuberculosis, 140 of venereal diseases, 57 •Registration area in U. S., 876 Registration law, model, 879 Regnault's apparatus, 612 Regulating mechanism for heat, 613 Relapse, 348 Relapsing fever, 266 flies and, 224 Relation of humidity and tempera- ture to health, 613 Relative humidity, 606 Remlinger, 45 Remsen, 486 Renovating, com, 580 Reserve air, 653 Reservoirs, 705 Residual air, 653 typhoid and, 79 Resin-lime mixture, 199 Resistance of the virus, 338 of anthrax, 285 of diphtheria, 149 of dysentery, 113 of hookworm, 118 of Malta fever, 291 of measles, 156 of pneumonia, 169 of poliomyelitis, 277 of smallpox, 28 of tetanus, 70 of tuberculosis, 169 of typhoid, 83 Respiration, vitiated air and, 653 Respiratory capacity, 654 Results, chemical, expression of, 751 Retaining room in abattoir, 544 Retention theory, 339 Retinitis pigmentosa, hereditary transmission of, 451 Retrovaccination, 7 Rettger's method, 632 Return cases in scarlet fever, 161 Reudiger, 86 Revaceination, 14, 15 in Germany, 33 Reversion, 432 Rice and beri-beri, 574 Richardson, 94, 278, 643 Richet, 403 Ricketts, 264, 270 Rideal-Walker method, 973 Rigor mortis, 539 Rimpler, 64 Ringelmann's chart, 624 Ringworm, 962 Ripe vaccine virus, 6 Risers in school stairs, 948 Rivers, 450, 702 Roasting, 492 Roberts, 1000 Rocky Mountain spotted fever, 263 Rodents, 242 Rodrigues, 213 Rogers, 274 Rooms, cooling of, 668 disinfection of, 1026 preparation of, for disinfection, 992 for fumigation, 187 size and shape of, 657 Ropey milk, 507 Rosenau, 20, 70, 133, 136, 138, 152, 213, 253, 277, 278, 279, 292, 368, 375, 380, 410, 646 Ross, 181, 207, 208, 213, 836 Rost, 297 Roteh, 503 Rots, 569 Rouget, 236 Roughing filters, 793 Roux, 38, 52 Rowan, 73 Rubner, 460, 614, 616 Riihm, 534, 536 Rural problem of sewage disposal, 864 Russ, 237 INDEX 1065 Russell, 94, 97 Rye Beach epidemic, 841 Saccharin, 466 Sachs, 359, 400 Safety match, 930 Salicylic acid, 489 Salimbeni, 213 Saliva, spread of, 145 Salmon, 298 Salting, 479 Saltpeter, 489 Salvarsan, 59 Sambon, 208 Samplers, 591 Sanatoria, treatment of tuberculosis in, 139 Sand filtration, intermittent, 856 Sandwith, 118 Sanitary analysis of water, 722 Sanitary inspection, value of, in cholera, 109 Sanitation, 337 Sarcolactic acid, 539 Sarcoptes scabiei, 191, 295 Sarcosporidia, 542 Sausage poisoning, 558 Scabies, 962 Scales in measles, 157 Scarification, vaccination by, 9 Scarlet fever, 160 immunity to, 163 milk-borne, 162, 514 modes of transmission of, 160 prophylaxis against, 163 specific prophylaxis against, 164 Schardinger test, 536 Schaudinn, 208 Scheele, 275, 583 Scheele's green, 197 Seheurer, 177 Schick, 408 Schiotz, 148 Schittenhelm, 405 Schlenker, 488 Schmidt, 64 Schmidt-Miller test, 535 Schmiederberg, 470 Sehmutzdecke, 781 Schneider, 236, 637 Scholley, 147 Schonbein, 585 School building 947 Schoolroom, 948 color of walls in, 948 Schools, 945 cleanliness of, 956 cloak rooms in, 955 closing of, for communicable dis- ease, 959 for measles, 159 communicable diseases in, 959 furniture in, 949 hookworm infection in, 119 lighting of, 953 medical inspection of, 956 posture of children in, 951 public health day and, 120 ventilation and heating in, 954 water closets and urinals in, 955 Schottmiiller, 552, 555 Schroeder, 513 Schuberg, 285 Schubert, 283 Sehutz, 283, 405, 406, 410 Sclerotium, 572 Scott, 148 Screening, 205 of sewage, 852 of water, 793 Scrubbing filters, 793 Scurvy, 464 Scutigera, 232 Sea water, hookworm in, 119 Seat, adjustment of, in schools, 949 Sedentary occupations, 921 Sedgwick, 25, 93, 318, 620, 637, 670, 698, 805, 837 Sedgwick-Rafter method, 754 Sedimentation, 779 of sewage, 852 of water, 794 Seed vaccine virus, 7 Segregation, of defectives, 416 heredity and, 428 Mendehsm and, 428 1066 INDEX Segregation, in leprosy, 297 in tuberculosis, 139 in venereal diseases, 59 Self -purification of streams, 777 Selmi, 470 Seni, 578 Sensitizer, 359 Sepsin, 471 Septic conditions in meat, 550 Septic sore throat, milk and, 514 Septic tanks, 853 Septicemic plague, 254 Serum anaiDhylaxis, 404 antistreptococcus and, 165 disease and, 152 sickness and, 152, 408 Service, foreign inspection, 333 Sesquisulphid of phosphorus, 932 Settling tanks for sewage, 853 Seven-day fever, 266 Sewage, composition of, 846 disinfection of, 859 disposal of, 843, 848 dry-earth system of, 844 water carriage system of, 844 quantity of, 846 relative efSciency of different treatments of, 860 rural problems of, 864 stream pollution by, 848 streptococci in, 761 treatment of, 851 Sewage streptococci, 761 Sewage works, management of, 860 Sewage systems, 845 Sewer gas, 638 Sewers, 845 kinds of, 845 ventilation of, 640 ventilation and flushing of, 848 Sex-limited disease, 442 inheritance and, 443 Shakespeare, 92, 227 Shallow well, 712 Shaw, 290, 623 Shellfish, 656 typhoid and, 91 Shennan, 131 Sheppard, 278 Sheringham valve, 663 Sheroux, 296 Shiga, 111, 256 Ships, disinfection of, 329 Shock, anaphylactic, 152, 410 Shooting rats, 251 Shuberg, 267 Shuttles, 941 Shuttleworth, 756 Side chain theory, 355 Siderosis, 627 Siemens-Halske method, 796 Silica standard, 731 Silicosis, 627 Silver acetate in ophthalmia neona- torum, 64 Silver catarrh, 64 Silver nitrate, Crede's method of using, 63 Simond, 213, 241 Simonds, 228 Simulium, 235 Single standard, 57 Size of fat globules in milk, 497 Sldmming milk, 509 Slack, 147 Slaked lime, 1016 Slaughter, emergency, 546 methods of, 546 Slaughter house, 543 Sleeping sickness, 232, 236 prevention of, 234 tsetse fly and, 233 Slimy milk, 507 Sling psychrometer, 610 Slow sand filters, 781 Sewage disposal, 854 Smallpox, 1 and cowpox, unity of, 21 desquamation in, 36 disinfection in, 33 epidemiology of, 27 hospitals for, 33 isolation in, 33 modes of infection by, 27 mortality in, 27, 29 IKDEX 1067 Smallpox, prevalence of, 25 quarantine in, 324 release from, 36 resistance of virus of, 28 in vaccinated and unvaccinated, 29 Smirnoff, 165 Smith, 580 Smith, Argus, 587, 622 Smith, Claude, 117 Smith, R. M., 165 Smith, Theobald, 71, 181, 262, 263, 400 Smoke, 622 Smoking, 481 Snow, Dr., 816 Soaps, germicidal, 1022 Sodium bicarbonate, 490 Sodium fluorid, 489 Sodium nitrate, 489 Softening of the brain, 300 Soil, 670 air in, 674 bacteria in, 681 carbon cycle and, 680 classification of, 671 cleanliness' and, 684 composition of, 672 dirt and, 683 diseases associated with, 684 influence of, upon health, 684 nitrogen cycle and, 676 pollution of, 682 hookworm disease and, 119 relation of, to disease, 681 surface configuration of, 671 temperature of, 673 typhoid and, 92 water in, 675 Solanin, 573 Solids, milk standards and, 499 Solutol, 1014 Solveol, 1014 Sommer, 295 Sonden, 591 Sophian, 180 Sore throat due to milk, 514 Sour milk, 506 Sources of infection, 313 of meat, 540 South African tick fever, 267 Soxhlett method, 529 Space, for pupil, 948 Special schools, 947 Specific death rates, 901 Specific gravity of milk, 534 Specific nature of insect-borne dis- eases, 182 Specific prophylaxis against scarlet fever, 164 Specificity, 346 anaphylaxis and, 406 Spermotoxin, 393 Sphacelinic acid, 572 Spices, 486 Spieler, 133 Spirillum obermeieri, 266, 267 Spirochaeta duttoni, 267 Spirocheeta pallida, 50 Splenetic fever, 263 Spoiled corn, 580 Spoiled meat, 540 Spooner, 97 Sporozoites, 209 "Sports," 427 Spots, 569 Spotted fever, Rocky Mountain, 263 Spraying method, 997 destruction of ticks by, 262 Springs, 716 Sprinkling filters, 858 Sputum, disinfection of, 1031 disposal of, in tuberculosis, 141 Squirrel flea, 241 Squirrels, 242, 253 Stable fly, 279 Stables, disinfection of, 1027 Stage of river, 704 Stagnation of water, 706 Stairs in schools, 948 Standard, of butter fat, 498 of population, 902 Standard ammonium chlorid solu- tion, 737 Standard certificate of death, 883 1068 INDEX Standard methods in water analysis, 722 Standard lime water, 591 Standards of milk, 499 of ventilation, 656 Standardization, of diphtheria anti- toxin, 378 of disinfectants, 971 of tetanus antitoxin, 380 Staphylococcus for diphtheria car- riers, 14S Starvation, 463 State quarantine, 333 Stationary air, 653 Statistical methods, 436, 439 Statistics, 436 Steam, 982 Steam chamber, 984 Steam pipes, 668 Steam vacuum method, 590 Steel grinder's phthisis, 627 Stegomyia calopus, 212, 215 Stegomyia fasciatus, 212 Stenocephalus canis, 239 Sterility, gonorrhea and, 53 Sterilization, 966 Sterilizer, dry wall, 980 Stern, 398 Sternberg, 1017 Stevens' drawer, 664 Stevenson, 64 Stewart-Slack method, 525 Stewing, 493 Sticker, 296 Sticky fly paper, 193 Stigmata of degeneration, 416 Stiles, 115, 118, 119, 688 Still, 131 Stimson, 254 Stitt, 212, 222 St. Lawrence State Hospital, 841 Stomoxys caleitrans, 224, 226, 279, 285 Stone-mason's phthisis, 627 Storage cisterns, 701 Storage of water, 779, 793 Storeh test, 536 Storm sewers, 845 Stoves, 667 Straus home pasteurizer, 521 Strauss, 278, 282 Strauss reaction, 282 Streams, flow of, 704 interstate pollution of, 719 pollution of, 848 self-purification of, 777 Street virus, 41 Streptococci in scarlet fever, 160 Streptococci in sewage, 761 Streptococcus conglomeratus, 160 Streptococcus equinus fecalis, 229 Streptococcus lactis, 507 Streptococcus mueosus, 177 Streptococcus scarlatinae, 160 Streptococcus vaccines for scarlet fever, 164 Stripping reservoir, 707 "Strippings" in milk, 497 Strong, 256, 576 Strongyloides stereoralis, 116 Structure of meats, 538 Strychnin, 250 Stiller, 924 St. Vitus's dance, 963 Stynis, 796 Sub-soil drainage, 676 Substitution, 468 Sub-surface irrigation, 855 Sudden death, in anaphylaxis, 409 antitoxin and, 152 Sugai, 293 Sulphate of aluminium, 789 ' in water, 799 Sulphate of copper, 1021 Sulphate of iron, 1021 Sulphites, 490 Sulphur dioxid, 997 in air, 638 for destruction of rats, 252 in foods, 490 as insecticide, 190 liquid, 1001 Sulphur dips, 191 Sulphur furnace, 1002 Sulphur insecticides, 190 Sulphur ointment, 191 INDEX 1069 Sulphurous acid, 490 SunligM, 979 and water, 779 Supplemental air, 653 Suppression, of bedbugs, 273 of institutional diphtheria, 149 of rats, 249 of vermin, 185 Surface waters, 702 analysis of, 775 Surgery for defectives, 417 Surra, 236 Survival of the fittest, 425 Susceptibility to diphtheria, 149 Sutton, 221 Swine plague, meat and, 550 Swithinbank, 514 Symbiosis, 968 Symmers, 132 Symptomatic dysentery. 111 Syncytiolysin, 393 Synura, 754 Syphilis, 50 economic aspects of, 50 hereditary transmission of, 446 immunity to, 51 insanity and, 300 medical prophylaxis against, 58 modes of transmission of, 51 relation of, to life insurance, 52 Syrups, 480 Tabanus, 224 Tabanus tropicus, 236 Tabardillo, 270 Tenia saginata, 563 Tenia solium, 562 Tenia mediocancellata, 563 Takaki, 574 Tank-room in abattoir, 544 Tanking, 545 Tanks and mosquitoes, 204 settling, septic, etc., 853 Tapeworm, beef, 563 fish, 565 pork, 562 Tapeworm cysts, 550 Taste of water, 723 Taussig, 237 Taute, 234 Taylor, 486 Teakwood dust, 941 Technique. See Method Teeth, school children's, 961 Teleky, 924 Temperature, adaptation to, 604 of air, 603 food preservation and, 475 of refrigerator, 475 relation of, to health, 613 of soil, 673, 674 Temporary carrier, 315 Temporary hardness, 734 Tendency, to disease, transmission of, 408 hereditary, 445 to tuberculosis, transmitted, 137 Terminal disinfection, 970 in measles, 159 in scarlet fever, 163 Terni, 256 Tertian fever, 207 Terzi, 208 Tests, for blood, 399 for water pollution, 718 Tetanolysin, 373 Tetanospasmin, 373 Tetanus, 66 etiology of, 66 incubation period of, 70 prophylaxis against, 7^ resistance to, 70 standardization of, 378 soil and, 685 vaccination and, 19 in vaccine and biological prod- ucts, 69 Tetanus antitoxin, 72, 377 Tetanus dolorosus, 376 Tetanus toxine, 373 Tetanus trismus neonatorum, 68 Tetrodon, 564 Texas fever, 263 Textile industries, 939 Theiler, 236 Theories of immunity, 338 1070 INDEX Thermal circulation, 661 unit of, 666 Thermal death point of B. tuber- culosis, 138 of milk enzymes, 502 Thermometers, 604 automatic, 989 disinfection of, 1034 wet bulb, 615 Thickening agents in milk, 509 Thompson, 241 Thorpe, 926 Thro, 279 Thrushfield, 144 Thymol, hookworms and, 119 Thyroid glands in fish, 809 Tick fever. South African, 267 Ticks, 261 Tidal air, 653 Tindal, 796 Tizzoni, 43, 228 Tobacco smoke, 192 Tobin's tube, 663 Todd, 111, 146, 233, 237, 267 Tolerance, 338 Tonnage, 331 Tonsilitis and milk, 514 Torrey, 229 Total solids, in milk, 499, 527 in water, 732 Toxicogenic, 559 Toxin, 357 Toxines, 360 botulismus, .559 dysentery. 111 tetanus, 373 Toxoid, 357 Toxophore, 357 Trachoma, 60 Trade winds, 603 Trade wastes as nuisances, 863 Trades, dusty, 938 Transference. See Mode of trans- mission Transmission, congenital, 445 hereditary, of disease, 442 in insects, 262 Transmission of tendency, 445 See also Mode of transmission Traps, rat, 250 Trask, 146 Treads in school stairs, 948 Treatment, of hookworm disease, 119 for lice, 269 Treponema pallidum, 50 Trichina spiralis, 347, 560 Trichinella spiralis, 248, 560 Trichinosis, 560 rats and, 248 Triehiuris trichiura, 688, 837 Trickling filters, 858 Tricresol, 1013 Triller, 578 Trioxymethylene, 993 Trismus neonatorum, 68 Tropical malaria, 207 Troussart, 242 Trudeau, 137 Trunk sewers, 845 Trypanosoma gambiense, 233, 248 Trypanosoma grussei, 233 Trypanosoma lewisi, 233 Trypanosomes, 236 Tsehermak, 429 Tsetse fly, 233 extermination of, 234 Tsistowitch, 397 Tubercle bacilli, avian, 124 bovine, 123 in dry sputum, 130 human, 123 in milk, 513 in water, 138 Tubercles in iron pipes, 750 Tuberculin; 136 ■ bovine and human, 124 reaction of ej'e to, 412 Tuberculosis, 122 aerogenie infection in, 129 anaphylaxis and, 412 bovine, in man, 124 prevention of, 142 contact infection in, 134 INDEX 1071 Tuberculosis, difference between human and bovine, 123 disinfection in, 141 disposal of sputum in, 141 droplet infection in, 131 early diagnosis of, 141 education and, 140 flies and, 134 hereditary transmission of, 446 housing conditions and, 142 immunity to, 135 industrial insurance and, 142 ingestion and, 131 insanity and, 301 meat and, 549 milk and, 513 modes of infection in, 129 notification regarding, 141 of fish, 124 personal prophylaxis against, 139 prevention of, 138 resistance of virus of, 137 segregation and, 139 soil and, 687 water and, 134 Tunnieliff, 488 Turbidimeters, 731 Turbidity, 729 Turnover of water, 706 Tyler, 577 Tyndall, 631 Type, size of, 960 Typhoid, a contagious disease, 94 on dairy farm, 76 death-rates from, 75-79 diagnosis of, 80 epidemic of, at Ashland, 829 at Butler, 832 at Chicago, 834 at Ithaea, 831 at Lausen, 823 at Lawrence and Lowell, 832 at Mankato, 831 at New Haven, 829 at Pittsburg and Allegheny, 833 at Plymouth, 827 flies and, 227 Typhoid, in hospitals, 93 inoculations against, 94 insanity and, 299 management of ease to prevent spread of, 98 maneuver division and, 97 milk and, 514 modes of spread of, 86 in oysters, 566 personal prophylaxis against, 100 prevalence of, 75 rats and, 248 residual or normal, 79 resistance of virus of, 83 soil and, 686 in Spanish-American War, 93 summary of subject of, 100 water, influence of, upon, 822 water-borne, 823 Typhoid bacillus, carriers of, 83 channels of entrance and exit of, 80 Typhoid vaccines, 94 Typhoid-colon group, 553 Typhus fever, 269 flea's and, 240 quarantine in, 326 Tyrotoxieon, 471 Tyzzer, 21, 28, 280 Uhlenhuth, 399, 407, 1020 Ultra-violet rays, 801, 979 Uncinariasis. See Hookworm dis- ease Underdraining, malaria and, 210 Underdrains, 845 Ungraded schools, 947 Uniformity coefficient, 784 Unit character, 428 Urinary calculi, water and, 807 Urine, typhoid bacilli in, 81 Uroglena, 726, 754 Urotropin, 80, 100 Vaccination (vaccinia), anaphylaxis and, 413 auto-, 19 1072 INDEX Vaccination (vaccinia), claims for, 17 compulsory, 22 course of eruption in, 11 dangers and complications of, 19 definition of, 3 of exposed persons, 17 and foot-and-mouth disease, 20 general symptoms of, 11 generalized, 19 in Germany, 33 immunity and, 14 impetigo contagiosa and, 19 incision for, 8 indices of successful take in, 11 methods of, 8 number of incisions in, 10 the operation of, 10 during period of incubation of smallpox, 18 point of election in, 9 puncture in, 8 scarification in, 8 tetanus and, 19, 73 Vaccine virus, 1 bacteria in, 6 bovine, 4 definition of, 3, 344 dry, 4 forms of, 4 fresh, 4 green, 6 glycerinated, 4 government control of, 21 human and bovine, 4 propagation of, 7 ripe, 6 seed, 7 vaccine lymph, 5 vaccine pulp, 5 Vaccines, bacterial, definition of, 344 immunity from, 345 meningococcus and, 180 plague and, 256 streptococcus and, 164 typhoid and, 95 Vacuum system, 665 Vaillard, 71 Valentin, 643 Vallee, 132 Van Beneden, 435 Van Gehuchten, 49 Vapor tension, 606 Variate, 439 Variation and heredity, 425 Variola, 1 Variola inoculata, 23 Variola vera, 23 Varioloid, 17 Vasectomy, 417 Vaughan, 92, 153, 227, 471, 488 Veenboer, 488 Vegetables, and typhoid, 91 and hookworm, 120 Venereal diseases, 49 Venereal prophylaxis, 54 Ventilating ducts, 661 Ventilation, 651 of sewers, 640, 848 standards of, 656 Vessels, rats on, 245 Viability of rabies, 39 Vibrio cholerse, 102 Vibrione septique, 686 Vienna water supply, goiter and, 808 Vieusseux, 177 Vincent, 71 Virulence of diphtheria bacilli, 147 Virus, danysz, 253 definition of, 344 fixed, 41 in rabies, 42 rat, 253 resistance of, 41. See also Kesist- anee of virus street, 41. 