502 INDEX. 



Page. 

 Apple diseases, control methods 154 



Apples, insects injurious, control work 233-234 



Appropriations, Agriculture Department, 1839-1918 278-279 



Arizona, prairie dogs, control methods, results 260 



Army, assistance of Weather Bureau 59-63 



Arnold, Jos. A., report as Chief of Division of Publications 281-304 



Arsenates, use in insecticides, investigations 427-428 



Arsenic, spray, plant injury, studies 222 



Arthritis, disease of hogs, investigations 115 



Asdepias verticillata, poisonous to live stock 118 



Ash, wood, protection from powder-post beetles 244 



Asparagus, rust-resistant, breeding and distribution 141, 157 



Astragalus diphysus, a loco weed, poisonous properties 118 



Atlantic States, farm management problems, investigations 497 



Automobiles, statistics, registration, and fees 382 



Autopsies, wild animals, 1918 117 



Bacillus hotulinus, cause of forage poisoning of animals 116 



Bacteriology, studies, Dairy Research Laboratories 94-95 



Banana — 



plant, quarantine for root borer 444 



pulp, wheat flour substitute, use in Hawaii 347 



root borer, quarantine 444 



Barberry plants, relation to black stem rust of wheat 153 



Barnett, Claribel R., report as Librarian, 1918 319-334 



Beans — 



insects, injurious, control 242 



poisonous, treatment for removal of poison 217 



velvet, feeding experiments 81, 82, 132 



Beavers, mountain, injurious to crops, investigations 262 



Bee culture, investigations 249, 250-253 



Beef- 

 cattle — 



investigations, breeding and extension in the South 72, 80-82 



production on farms, studies 494 



industry on reclamation projects 150 



production — - 



increase since 1914 6, 8 



work in the South.. 80-81, 132 



Beetle, Japanese, introduction, habits, and control 237 



Beetles, lumber destruction, prevention measures 244-245 



Beets, sugar — 



growing, and condition of beet-sugar industry. 147-148 



nematode, studies 156 



production, farm practice studies 493 



Bibliographies, work of Library, 1918 323-324 



Binder twine, fibers, work of 1918 161 



Binders, road, research by Roads Bureau 385 



Binding — 



expenditures, 1918, and printing 282-286 



work of Library, 1918 7 



Biological — 



Survey, report of Chief, 1918 257-275 



surveys, field work 265-266 



Bird- 

 counts, work of observers, 1918 265 



reservations, location and work, 1918 270-271 



reserves, trespass law, violations, etc 394, 419 



Birds- 

 distribution and migration, reports 265 



importations, 1918 271-273 



migratory, Federal law enforcement, details 273-275 



Blackbirds, damages to rice 264 



Blackleg vaccine distribution 116 



Blastophaga, introduction and use in Southern States 163 



Blight, chestnut, resistant species, possibilities 155 



Blotch, apple, control 154 



Blueberryj propagation 163 



Boll weevil, cotton, control by dust insecticides 243 



