1918] 



INDEX OF SUBJECTS. 



959 



I n sects — CoE tinned. 



injuries — continued. Page. 



in Massachusetts, Mass 25S 



in Minnesota 1.55 



in Missouri, Mo 653 



in New Hampshire 155 



in New Mexico, N.Mex 053 



in Nova Scotia 358 



in Ontario 358 



in Ontario, Can 545 



iu Oregon 857 



in Pennsylvania 550 



in Philippines 459 



in Quebec 459 



in Tennessee, Tenn 357 



in West Indies 54 



in Wisconsin 155 



in Yakima Co., Washington 653 

 introduction into United 



States, U.S.D.A 154 



notes 557 



remedies 558 



textbooli 94 



to apples in Nova Scotia — 156 



to artichokes, N.Y. State 41 



to asparagus, U.S.D.A 41 



to cabbage 459 



to cacao 461 



to coconut palm 157 



to coffee 558,857 



to corn 54 



to cotton 54 



to cotton, U.S.D.A 357 



to cranberries, U.S.D.A 460 



to dried fruits, U.S.D.A___ 317 



to fruits 257. 460 



to fruit, U.S.D.A 843 



to garden and truck 



crops 157, 257, 558 



to garden crops, U.S.D.A — 241 



to grain crops, U.S.D.A 54 



to grass and clover 557 



to green manure crops 357 



to hemp 54 



to imported nursery stock- S57 



to litchi, Hawaii 44 



to olives, Cal 157 



to pecan 762 



to pecan, U.S.D.A 157 



to prickly pear 257 



to shade trees 257. 357 



to tea 461 



to wheat, Ohio 197 



local environmental complex 358 



observing, collecting, and study- 

 ing 357 



of Great Britain, treatise 557 



papers on - — 256 



pocket guide 761 



recognition among 154 



relation to disease in man and 



animals 358 



scale. (See Scale insects.) 

 soil, behavior in evaporation, 

 carbon dioxld, and ammonia 



gradients 54 



soil, relation to climate 357 



Insects — Continued. Page, 



transmission of swamp fever by. 788 



use In study of heredity 358 



(See also specific itisects.) 

 International Institute of Agricul- 

 ture, decade of work 701 



Intracutaneous absorption, specificity 482 

 Inulin in chicory root, decomposi- 

 tion 602 



lodin, toxic effect on plants 629 



Iowa — 



College, notes 198, 699 



Station, notes 198 



Ipecac alkaloids, protozoocidal and 



bactericidal action 180 



IponKca purpurea, heredity in, N.Y. 



Cornell 750 



Iron — 



assimilation by rice, P.R 728 



effect on plants 727 



immobility in plants, P.R 728 



salts as an antidote to cotton- 

 seed meal poisoning 282 



salts, effect on toxicity of cot- 

 tonseed meal, Tenn 370 



separation from aluminum 10 



solubility in soils 727 



sprays, effect on forage crops 

 grown on manganese soils, 



Hawaii 829 



Irrigation — 



by borders or sloping checks, 



U.S.D.A 487 



effect on burning quality of to- 

 bacco 239 



effect on soil moisture, Utah 320 



farming, factors in, Utah 391 



flumes, concrete, construction-- 589 



in British Columbia 288 



in India 84, 186 



in New Mexico 689 



in United States, treatise 389 



information for beginners, 



U.S.D.A 186 



of alfalfa pastures, U.S.D.A— 68 



of grain crops, U.S.D.A 186 



overhead, notes 788 



pumping, cost in Nebraska 187 



pumping plants for, Mont 186 



pumping plants, tests 590 



relation to apple spot diseases, 



U.S.D.A 753 



relation to soil permeability 788 



seepage and return waters, Colo 288 



structures, design 288 



surface, in eastern United 



States, U.S.D.A 788 



systems, operation and mainte- 

 nance - 589 



water. (See Water.) 



windmills for, U.S.D.A 186 



Isometopidae of North America 560 



Isosoma orchidearum, studies, N.J — 660 



Italian dishes, recipes 662 



Itoplectis obesus n.sp., description.- 565 



Ivory nut meal, analyses 369 



Ivy scale on olive, Cal — 157 



