4 ANNUAL REPORTS OF DEPARTMENT OF AGRICULTURE. 



Report of the Cliief of the Weather Bureau — Continued. Page. 



(Miinutolopical division 287 



Instrument division 288 



Library 290 



Examinations for promotion 292 



Tek'p;raj)h division 293 



Publications division 294 



Division of Sui)])lies 294 



Observatory buildings 295 



Personnel of the bureau 296 



Changes in the force of the bureau 298 



Statistics of the service 299 



Report of the Chief of the Bureau of Animal Industry 303 



Organization and administration 303 



The meat inspect ion 304 



The beef shortage 308 



An example of the benefits of milk improvement 309 



Reducing losses from bad eggs 310 



The study and eradication of animal diseases 311 



The improvement of State live-stock sanitary forces 312 



The establishment of pure-bred herds free of tuberculosis 312 



Needed legislation 313 



Publications and diffusion of information 317 



The Animal Husbandry Division 317 



The Dairy Division 324 



The Inspection Division 342 



The Quarantine Division 349 



The Pathological DiA'ision 355 



The Biochemic Division 369 



The Zoological Division .■ 380 



The experiment station 384 



Report of the Chief of the Bureau of Plant Industry 389 



General work of the year 389 



Special features 390 



New field stations 394 



Plant-quarantine act 395 



Summary of progress 395 



La])oratory of plant pathology 395 



Pathological collections and inspection work 396 



Fruit-disease investigations 396 



Investigations in forest pathology 398 



Cotton and truck disease and sugar-plant investigations 400 



Crop physiology and breeding investigations 401 



Soil-bacteriology and water-purification investigations 403 



Acclimatization and adaptation of cotton, corn, and other crops 404 



Drug-plant, poisonous-plant, physiological, and fermentation investigations 408 



Agricultural-technology investigations 414 



Grain standardization 418 



Biophysical investigations 420 



Foreign seed and plant introduction 421 



Seed-testing la])oratories ' 424 



Cereal investigal ions 425 



Com investigations 428 



Forage-crop investigations 431 



Tobacco investigations 434 



Plant-nutrition investigations 436 



Alkali and drought resistant plant breeding 436 



Investigations in economic and systematic botany 437 



Farm-management investigations 438 



Farmers' cooperative demonstration work 442 



Dry -land agriculture 447 



Western in-igation agriculture 447 



Pomological collections 449 



Field investigations in pomology 450 



Experimental gardens and grounds 454 



Horticultural investigations and Arlington Farm 455 



Congressional seed distribution 460 



