INDEX OF SUBJECTS. 



893 



Potatoes— Continued. Page. 



for pigs 577 



forcing experiments, Ariz 627 



formation investigations, Ariz 627 



harv^esting and marketing 438 



insects afieoting 53 



irrigation experiiaents,U.S.D.A 394 



negress, analyses 731 



nematodes affecting 47 



nitrogenous fertilizers for 525 



ptionolite for 325 



prices in England and Scotland 293 



seed, notes 148 



selection 438 



spraying experiments 236, 633 



Minn 637 



N.Y.State 449 



starcti content, studies 432 



varieties 33, 236, 237, 433, 438, 534, 729 



Alaska 631,632 



Can 333, 531 



Minn 637 



N.Dak 728 



Pa 139, 536 



U.S.D.A 435 



resistant to leaf roll 648 



wild types, studies 727 



wireworms affecting 148 



yields as affected by leaf treatment 633 



size of seed 139,236 



spraying,N.Y. State. 450 



Pou 4 pouche, investigations. La 660 



Poultry— 



as aSected by housing 691 



barring in 674, 778 



bibliographiy 95 



breeding experiments 177 



notes 675 



breeds, descriptions 178 



buildings, construction, Wash 691 



cooperative marketing, in Russia 676 



demonstration train in Wales 700 



diseases, treatise 488 



encyclopedia 777 



feeding and management, Minn 675 



methods, Me 674 



feeds, analyses. Miss 475 



N.J 475 



N.Y.State 672 



free publications on 495 



handling under dry farming, Colo 231 



heredity in 75 



houses, construction, N.Y. Cornell 395 



description 692 



influence on fowls, Md 691 



hybridization, studies, Me 674 



industry in Maine 777 



Russia 675 



treatise 178 



instruction in Ireland 398 



keeping, Oreg 295 



eflect on soil fertility 178 



killing and bleeding, U.S.D.A 076 



manure, analyses. Mass 717 



tre&tment and use, Mass 717 



market receipts, U.S.D.A 93, 796 



Mendellan Inheritance in , stud ies 571 



Poultry— Continued. Page. 



methods of fattening 777 



poisoning by salt 793 



preparing and marketing 178, 777 



for e.xhibition 477 



products, imports into Colorado, Colo 292 



marketing, U.S.D.A 192 



cooperatively in 



Ontario 491 



raising and marketing 380 



in Columbia River Valley, 



U.S.D.A 435 



shows, value, U.S.D.A 78 



societies in Ireland 795 



treatise 279, 477, 478, 670 



(See also Chickens, Ducks, etc.) 



Poverty, relation to land tenure systems 593 



Powders, clarifying, in sugar manufacture. . . 311 



Pox, animal, immunization 286 



Prairie dogs, susceptibility to plague 563 



hay for lambs, S.Dak 176 



Praon simulans, notes 765 



Pratincoles, destructive to locusts 556 



Precipitation — 



atProvo, Utah, U.S.D.A 15 



eflect on growth of cereals 219 



yield of apples 118 



cereals 117 



formation on mountain slopes 515 



in Owens Valley, U.S.D.A 15 



relation to deforestation, U.S.D.A 419,443 



evaporation, N. Dak 715 



irrigation projects, U.S.D.A 312 



(See also Rainfall, Snowfall, etc.) 

 Precipitinogens in milk of unmimized moth- 

 ers 682 



Precipitins as affected by tubercle bacilli 388 



bacterial , relation to agglutinins . . 584 



Precoolrng plants, descriptions 540 



Preservatives, food, notes 266 



for cream. Can 382 



use 270 



Preserves — 



adulteration and misbranding, U.S.D.A. 769 



Loganberry, misbranding, U.S.D.A 568 



misbranding, U.S.D.A 65,769 



Pressure, effect on arc spectra, U.S.D.A 419 



Prickly pear. (See Cactus.) 



Prlonides, revision 764 



Pristomeridia agilis, notes, W. Va 160 



Prodenia littoralis, injurious to tobacco 53 



Producers' organizations, effect on price of 



cotton 39 



Projectiles, motion of, in air 515 



Propionic acid in Cheddar cheese. Wis 679 



Prospaltellasp., notes, U.S.D.A 157 



Proteases of plants, investigations 29 



Proteld. (See Protein.) 

 Protein— 



as a protective agont of enzy ms 702 



barley, transfonnatlon during malting. . . 412 

 body gain in as affected by nonprotein 



compounds 474 



cleavage in man 373 



thestomach 572 



products 171 



content of barley as related to weight 336 



