988 ANNUAL. REPORTS OF DEPARTMENT OF AGRICULTURE. 



Page. 



Ice and enow, conditions, summaries 179-180 



cream, making, studies 139 



harvesting and storing, value in dairy use, etc 48, 214 



Idaho Biological Survey, progress 539 



drainage surveys, 1911 708 



road building, 1911 719 



Illinois drainage survey, assistance of Department 710 



Illustrations, l5epartment publications, growth of work, sales, etc 128, 284 



work of 1911, review 629-631 



Importations, birds and mammals, 1911, supervision, statistics, etc 541-542 



plants and seeds, need of Federal control 526-528 



Imports, agricultural products, into United States 22 



inspection work on fruits, seeds, and plants 525-526 



Index, card, agricultural schools, American and foreign 691 



Department publications, preparation, value, etc 128,628-629 



game legislation, progress by Biological Survey 546 



work, libraries of various bureaus, etc 672,673,676,679,681 



Index-catalogue, medical veterinary zoology 253 



Indexing work. Publications Division, 1911, review 628-629 



Indian reservations, new crops, cooperative work 269 



Indiana, vegetable-insect investigations 520 



Infants' foods, investigations by Chemistry Bureau 87, 459, 460 



Information proceeding, decision under Food and Drugs Act 769 



Ink, branding, for use of meat laboratory inspection, cost, 1911 243 



Inoculation, hog cholera prevention, experiments, etc 51-52,53,248-249 



of cattle against tuberculosis, studies 197-253 



See also Vaccination. 



Insect pests, new, danger of introduction on imported plants 525-526 



powder, investigations 456-457 



Insecticide act, enforcement 39, 82, 83, 263, 761 



purpose, regulations, etc * 783 



Board, order of Secretary appointing 807 



investigations, remarks 514 



law, enforcement 761 



Insecticides, investigations by Chemistry Bureau 82-83, 454-455, 472 



Insects, citrus fruit, investigations 520-522 



groves, control 112-113 



deciduous fruit, investigations, proposed work 531 



field-crop, Southern, work against 502-507 



forest, control work of Entomology Bureau 113-114 



investigations 507-509 



injurious to stored products, work 524-525 



parasitic and predaceous, study 513-514 



relation to health of man and animals, investigations 522-524 



rice, investigations 505-506 



stored grain, control 138 



subtropical, notes 522 



sugar-cane, investigations 505 



tobacco, investigations 504-505 



useful against moths 499-501 



exportiitions by Entomology Bureau 502 



vegetable, investigations 517-520 



Inspected milk, definition 803 



Inspection, animal, 1911, number and results 221 



animals, export and import 52, 227-228 



Division, Animal Industry Bureau, review of work, 1911 220-227 



export animals and vessels 227-228 



food and drugs, by Chemistry Bureau 84-85 



laboratories, work 242-246, 423-434 



law for imported plants, need of national 526-528 



live-stock, for contagious diseases, 1911 224-226 



meat and eggs, for Navy Department, 1911 224 



exemptions 224 



laboratory work, 1911 242-246 



remarks and statistics 43-44 



review of work, 1911 220-224 



See also Meat inspection. 



