INDEX. 



Page. 



Abortion, infections, study and control work, 1919 119-120, 134 



Accounting systems in farm marketing 433, 434 



Accounts — 



Di\-ision, report of chief 299-302 



farm, county agents' assistance to farmers 380 



Acreage, crop, prospective estimates, demand for 331-332 



Aerological investigations, Weather Bureau, 1919 60-61 



Aeronautics, Weather Bureau, cooperative work, 1919 51, 53, 54-55, 61 



Africa — 



climatic data, preparation by Weather Bureau 67 



soil studies, 1919 239 



Agents, Held work in Crop Estimates Bureau, 1919 327-328 



Agricultural — 



history and geography, studies 466 



instruction in schools, investigations 357-358 



Agriculture — 



American, progress, discussion by Secretary 10-16 



Department, appropriations and expenditures, 1919, and 1839-1919.. 299, 301-302 



Aircraft problems, cooperative work of Forest PerAdce 204-206, 207 



Alabama — 



road projects approved, 1918, 1919 401, 403, 405, 407 



Satsuina oranges, growing 142 



Alaska Experiment Stations, work, 1919 361-362 



Alfalfa, A\ eevil, spraying method 248-249 



Alligator s ^ins, tanning, investigations 232 



Alsberg, ('. L., report as Chemist 211-234 



Ammonia, Ilaber process, study 241, 245 



Analvses, work for other bureaus and departments bv Chemistrv liureau 212, 



'219, 221, 222, 228, 233 

 Analysis — 



methods, study l^y ( hemistry Bureau 233 



sublimation, new apparatus 503 



Anastatus bifasriatus, introduction and results 264 



Ang-khak, ( 'hinese, manufacture, studies 229 



Animal — 



Husbandrv Division work, report. 1919 79-89 



Industry Bureau, report of Chief, 1919 73-135 



quarantine law, enforcement by Solicitor. 1919 489 



Animals — 



breeding, work of department, 1919 78, 81, 82, 85, 86-87 



diseases, work, 1919 74-77, 102-103, 110-132, 134-135 



export, inspection 109-110 



fur-bearing, feeding, rearing, and protection 283-284 



imported — 



for breeding purposes, certification 89 



inspection and quarantine 108-109 



inspection for Indian agencies Ill 



predatory, control work. Biological Survey 276-283 



quarantine, work of Animal Industry Bureau, 1919 108-110 



rabies, infection and spread, investigations, 1919 276-278 



A\T.ld — 



autopsies 123 



rearing for furs, experiments 283-284 



Ant. Argentine, control 260 



Anthelmintics, use in control of internal parasites l.'U-132 



Anthracnose, watermelon, control 1 73 



Anthrax, control work, 1919 112 



Ants, white, control 259 



Apanteles welanoscdis, increase 265 



Aphis, spinach, injurious to potatoes and other crops 256 



151352°— 19 35 537 



