984 



EXPERIMENT STATION RECORD. 



[Vol.41 



Toiiltry — Continued. 



feeds, Australian, analyses, 868. 

 feeds, composition, U.S.D.A., 869. 

 feeds, grit in, 564. 



housing, 488 ; N..T., 385 : Wash., 292. 

 hu.sbandry in high schools, 396. 

 husbandry, textbook, 597. 

 inanngement, record keeping, N..T., 77. 

 market prices in New York, N.J., 75. 

 parasites, 286; N.J., 192. 

 protective feeds for, N.J., 76. 

 standards for growth and production, 



N..T., 75. 

 (See also Chickens, Fowls, and Hens.) 

 Prairie — 



hay, feeding value, 772. 

 soils, mountain, fertilizer require- 

 ments, 722. 

 subsoils, moisture content and hygro- 

 scopic coetflcient, 514. 

 Precipitation — 



as affecting grain yields, Nebr., 37. 



as affecting winter wheat, U.S.D.A., 



810. 

 under trees, 315. 



variation with altitude, U.S.D.A., 119. 

 (See also Rainfall, Snow, etc.) 

 Pregnancy — 



diagnosis, 84. 



mammary gland development during, 

 173, 174. 

 Prickly pear. (See Cactus.) 

 Primula malacoidcs, variation in, 635. 

 Primulas, varieties, 242. 

 Privies, sanitary, 587, 588, 791. 

 Pri\y, portable, for field service, 489. 

 Prodenia — 



litura on maize, 57. 

 sp. on sweet potato, Pla., 548. 

 Proflavin, antiseptic value, 188. 

 Prolitikeeno grass, culture e.xperiments, 



Hawaii, 138. 

 Promecotheca opacicoUis, notes, 59. 

 Prosopis, root growth, oxygen response, 



1.32. 

 Protein — 



and fat ratio in the diet. 669. 

 cleavage products. (See Amino acids.) 

 feeding as affecting infants. 561. 

 metabolism of Filipinos, 563. 

 minimum in the diet, 763. 

 requirement, dependence on mineral 



metabolism, 558. 

 solutions, clectrometrlc titration, N.Y. 



State, 201. 

 utilization, role of fats in. 070. 

 Proteins — 



animal, role in nutrition, 669. 

 deficient, relation to immunity produc- 

 tion, 574. 

 free from water-soluble vitamin, prep- 

 aration, 761. 

 In diet of tadpoles, effects, 468. 

 in milk, price of, 077. 

 methods of analysis, 803. 

 of blood, regcMieration, 859. 

 of oats, efficiency, 763. 



I'roteiu.s — Continued. 



of wheat, 262. 



specific dynamic action, 171. 



stimulation of cellular system by, 471. 



sugar formation from, 363. 



yielding arginin, relation to presence 

 of urease. 111. 



(See also speeific proteins.) 

 Proteoses, antigenic property. 575. 

 Proteus group organisms, studies, 83. 

 Protoplasm, growth mechanism, 26. 

 Prunes — 



drying, 557. 



drying, evaporators for, Cal., 117. 



rain-damaged, salvaging, Cal., 117. 

 Psalliota, studies, 834. 



Pseuderimerus mayetiolw n.g. and n.sp., de- 

 scription, 63. 

 Pseudococciis — 



citri. {fiee Citrus mealy bug.) 



spp., notes, 756. 

 Pseudoglobulin, precipitability, 283. 

 Pseudograsserie of gipsy moth, 357. 

 Pseud otnonas — 



ciiri. (See Citrus canker.) 



fluorescens and P. caudatus, studies, 

 20. 



luminesccns. studies, 222. 



radicieola. (See Bacillus radicicola.) 



sp. on beans, 450. 

 Pseudopexisa medicaginis and P. trifoHi, 



studies, U.S.D.A., 346. 

 Psychoda aUcrnata, control, 165. 

 Psychrometric obsers'ations, reduction 



tables, 808. 

 Psylla — 



rnali, notes and remedies, 755. 



pyri. (See Pear psylla.) 

 Ptwrorylon utile, heart rot of, 453. 

 Ptinid beetles, new species, 63. 

 Ptyalin, action of, 614. 

 Puccincllia airoides, analyses, Wyo., 333. 

 Pucciniii — 



antirrhini, studies. 111., 752. 



coronata, studies, Iowa, 49. 



Oraminis, dissemination, 50. 



graminis, popular account, I'.S.D.A., 

 656. 



graminis tritici. resistance to. 535. 



graminis tritici, studies, Kans.. 48 

 Pucciniacese of Guatemala, 135. 

 I'lillets. (See Hens.) 

 Pulp industry in Canada, 840. 



(.'^'ee also Wood pulp and Paper mak- 

 ing.) 

 Pulse crops, fungoid and insect pests, 56. 

 Pumping — 



for irrigation, 481, 785. 



for irrigation, small plant, Oreg., 688. 



plants, tests, 882. 

 Pumpkin - 



as flour substitute, 558. 



bug in citrus groves, 355. 



diseases, notes, 745. 



seeds as source of oil, 209. 

 I'urdue University, notes, 300, 496, 



