4 CONTENTS. 



Reix)rt of the Chief of the Bureau of Animal Industry— Continued. Page. 



The animal husbandry division 202 



Th.' dairy division 209 



The inspettion division 220 



The quarantine divbion 227 



The jjathological division 232 



The biochemir division 242 



The zoolof^ieal division 250 



The experiment station 253 



Report of the Chief of the Bureau of Plant Industry 257 



General work of the year 257 



Laboratory of plant pathology 259 



Pathological collections and inspection work 260 



Fruit disease investigations 260 



Investigations in forest pathology 263 



Cotton and truck-crop diseases and sugar-plant investigations 265 



Soil bacteriology and water purification investigations 267 



Crop physiology and breeding investigations 268 



Acclimatization and adaptation of cotton, com, and other crops 270 



Drug plant, poisonous plant, physiological, and fermentation investiga- 



' tions 275 



Agricultural-technology investigations 281 



Studies of plant fibers , 285 



Taxonomic and range investigations 286 



Seed-testing laboratories 287 



Grain standardization 287 



Grain investigations 289 



Com investigations 292 



Tobacco investigations 295 



Plant-nutrition investigations 297 



Dry land agricultural investigations 298 



Western agricultural extension 298 



Alkali and drought resistant plant breeding 302 



Physical investigations 303 



Farm-management investigations 305 



Farmers' cooperative demonstration work 310 



Arlington experimental farm and horticultural investigations 315 



Pomological collections 322 



Field investigations in pomology 323 



Experimental gardens and grounds 331 



Foreign seed and plant introduction 333 



Forage-crop investigations 336 



Congressional seed distribution •- 339 



Report of the Forester 343 



Classification of expenditures 343 



Organization and personnel 345 



The National Forests 349 



Examination of lands under the Weeks law 401 



State and private cooperation 402 



Other investigations 404 



Miscellaneous 414 



Work for the ensuing year 415 



Report of the Chemist 419 



Food and drug inspection 419 



Drug investigations 435 



