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X-Rays Diagnosis (Surgical), 262 Yellow Fever, 248 — Therapy, 289 Zinc, and its Alloys, 155 — Treatment of Skin Diseases, 284 — Industry, 155 — Organometallic compounds of, Yarns, Sizing of, 299 132 — Technical Testing of, 300 — Oxide, 69 — Woollen and Worsted, Manufac- Zoology, 185, 214 ture of, 300, 301 Zoophytes, British, 191 376 THIS BOOK IS DUE ON THE LAST DATE STAMPED BELOW AN INITIAL FINE OF 25 CENTS WILL BE ASSESSED FOR FAILURE TO RETURN THIS BOOK ON THE DATE DUE. THE PENALTY WILL INCREASE TO 5O CENTS ON THE FOURTH DAY AND TO $1.OO ON THE SEVENTH DAY OVERDUE. JOL-30 4947 LD 21-100m-12,'43(879Gs) British so 466602 ienoe guild. Catalogu|e and. ~CG chin of British c&l scientific Q SR3t L 466602 » D7 UNIVERSITY OF CALIFORNIA LIBRARY. 