652 INDKX. 



Diseases — Continued . Pago. 



diagnosis, work of jiathological laboratory 147 



forest trees, investigations 189-192 



live-stock control work, report 131-135 



Disinfectants — 



investigations 153 



pine-oil, investigations by Insecticide Board 596-597, 600 



Distribution, farm products, cost 5-6 



District of Columbia, cattle testing, progress 141 



Dogs, sheep, examination for tapeworms 157 



Dorset, M . , Chief of Biochemic Di\'ision 149 



DoTEN, Carroll W., expert statistician 531 



Dourine — 



eradication 132 



testing 148 



Dove, mourning — 



protection 365 



killing during closed season, prosecution for 593 



Drainage, farm, investigations 498-500 



Drawings, work of Publications Division 388 



Drugs — 



adulteration with dirt, etc 281 



imported, inspection 288 



testing for other departments, 272 



Duck, wild , food habits, studies 347 



Duplicating work — 



in distribution of p^.blications 393 



States Relations, transfer to Publications Division 415 



Dust- 

 control to prevent explosions 270 



explosions, prevention investigations 268-270 



Dusting machines for boll-weevil control, development 502 



Dyes — 



analyzing and testing 274, 275 



investigations. Chemistry Bureau 273-275 



Economics — 



forest, research studies 243-244 



Home, proposed new bureau _ 28 



research w'ork, consolidation in one bureau 14-15, 46 



Editorial work — 



and needs •• 378, 384-385 



States Relations Service 414-416 



Education — 



agricultural investigations - 417-420 



Forest Service, activities 243, 247-249 



veterinary, conditions 103 



Eggs — 



dried, investigations 278 



inspection, results 285 



Electric lights, relation to dust explosions 270 



Elk- 

 numbers in United States 229 



winter forage, investigations 352 



Engineering, farm, investigations 500-502 



Entomologist, report, 1922 299-330 



Entomology — 

 Bureau — 



cooperation in forest-protection work 321-322 



Library, report of work 35,8, 407 



report of work, 1922 229-330 



forest, importance in forest conservation 324 



Eq uipment, Department, exchange and utilization 44 



Erdman, H. E., in charge of Cost-of-Marketing Division 534 



Erysipelas, swine, studies 145-146 



JEuronimia uJmoides, characteristics 192 



FAipaiorhim utiicaffolinvu chemical studies 149 



Evans, Walter H., Chief of Division of Insular Stations, report 425-437 



