INDEX OF SUBJECTS. 



949 



Page. 



Dragonflies, food habits 549, 550 



Drainage — 



ditches, machinery for, U.S. 



D.A 189,583 



ditches, opening with dynamite. 



Pa 125 



effect on yield of sugar cane 586 



In Iowa 885 



In Italy 786 



In North Carolina 885 



in North Carolina, N.C 585 



of alkali soils. Cal 283 



of irrigated lands 86, 483 



pumping, cost of 585 



tile. (See Tile.) 



use of pumps in, U.S. D.A 283 



Drawing, agricultural, text-book 487, 598 



Dredges, use in land drainage, U.S. 



D.A 189 



Dried blood — 



ammonification. Pa 127 



analyses, Ind 263 



availability, N.J 130 



fertilizing value 520 



fertilizing value, Cal 219 



fertilizing value, N.J 129 



fertilizing value. Pa 128, 131 



Dried-fruit beetle, notes 454 



Drosophila ampelophila. {See Po- 

 mace fly.) 



Droughts in Union of South Africa- 818 



Drugs — ■ 



bacteriological examination 713 



Inspection in Connecticut, Conn. 



State 458 



inspection in Florida 762 



Inspection in Indiana 861 



inspection in Kentucky, Ky 761 



inspection in North Dakota, N. 



Dak 366 



misbranding, U.S. D.A 661 



Dry farming investigations in United 



States 34 



Dryinidse, life histories 557 



Duck house, description, N.J 177 



Ducks — 



care and management 377 



care and management, U.S.D.A_ 569 



destruction of mosquito larvse 856 



Duodenal regurgitation, effects of 862 



Durum wheat. (See Wheat, durum.) 



Dust — 



fall in English towns and cities- 15 



from blast furnace gas, analyses- 623 



prevention, notes 484, 890 



Duty of water. {See Water, duty.) 



Dynamite — 



effect on soil, Pa 125 



for heavy clay soils, Kans 819 



in soil preparation for alfalfa. 



Miss 228 



use in rubher culture 47 



Dyomyx, notes 855 



D]/8cedestis faHnatella, notes 855 



Page. 

 Dysentery, chronic bacterial. (See 



Johne's disease.) 

 Earth, internal structure, U.S.D.A. — 614 

 Earthquakes in United States, U.S. 



D.A 615 



East coast fever. (See African 



coast fever.) 

 Eccoptogaster (Scolytus) rugulosxis 



affecting loquats 361 



Echinocactiis tcislizcni, accumulation 



and destruction of acid in 730 



Echinochasmus pcrfoliatus in pigs 480 



Echinochloa crus-galli, analyses, 



N.Dak 39 



Echinorliynchus gigas, description 280 



Eclampsia, puerperal. (See Milk 

 fever. ) 



Ectoparasites injurious to man 251 



Edestin, refractive indexes 803 



Education — 



agricultural. (See Agricultural 

 education.) 



value to the farmer. Mo 393 



vocational, cultural value 897 



vocational, in Illinois 598 



Egg- 

 laying contest in British Colum- 

 bia 470 



laying contest In Missouri 869 



production as affected by pitui- 

 tary substance 75 



production, feeding for. Mo 377 



production, illustrated lecture, 



U.S.D.A 196 



production, improvement by se- 

 lection 870 



production in hens. Pa 176 



production in hens, studies 869 



production, inheritance in hens_ 74, 564 

 production of different poultry 



breeds 569 



production of February-hatched 



pullets 377 



production, winter cycle in, U.S. 



D.A 470 



Eggplants — 



crossing experiments, N.J 146 



limitation studies, N.J 146 



varieties, N.J 146 



Eggs — 



color xenia and telegony in 569 



composition 569 



hatchability, N.J 178 



improving quality of, Kans 179 



incubation experiments, Pa 179 



marketing cooperatively, N.J. — 178 



meaning of size 770 



preservation 470 



seasonable variation in quality- 669 

 weight in relation to rations, 



Pa 179 



Elaioplasts in monocotyledons and 



dicotyledons ^ — 825 



Elaphidion villosum, notes 752 



Elater segestis, notes 757 



