INDEX. 



Page. 



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



Accounting systems in farm marketing 433, 434 



Accounts 



DiWfdon, 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, field 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 Service 204-206, 207 



Alal)ama 



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



SatHuina oranges, growing 142 



Alaska Experiment Stations, work, 1919 361-362 



Alfalfa, weevil, spraying method 248-249 



Alligator skins, tanning, investi^tions 232 



Alsbkiu;, (\ L., report as Chemist 211-234 



Ammonia, Ilaber process, study 241, 245 



Analyses, work for other bureaus and departments by Chemistry Bureau 212, 



219, 221, 222, 228. 233 

 A nalysiB 



methods, study by ( hemifitry Bureau 233 



sublimation, new apparatus 503 



Anastatus bifascrialus, introduction and results 264 



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



Animal 



Husbandry 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, certilication 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 ^read, investigations, 1919 276-278 



A\ild 



autopsies 123 



rearing for furs, experiments 283-284 



Ant. Argentine, control 260 



Anthelmintics, use in control of internal parasites L'?l -132 



Anthracnose, watermelon, control 173 



Anthrax, control work, 1919 112 



Ants, white, control 259 



Apantelrs melanoscelu, increase 265 



Aphis, spinach, injurious to potatoes and other crops 256 



151352 19 35 537 



