984 



EXPERIMENT STATION EECORD. 



Page. 

 Poultry— Continned. 



raising, notes, N.C 279 



Oreg 299 



rearing and preparing for market 676 



refrigeration in United States 461 



roosting closet, U.S.D.A 599 



sex-limited inheritance in 57:3 , 876 



treatise 72, 7:i, 674 



(See also Chickens, Ducks, etc.) 



Powder Valley, irrigation project, U.S.D.A.. 414 



Prairie berries, cell number in 733 



chicken, notes, U.S.D.A 355 



hay, western, analyses, Wis 170 



Precipitates, ignition, U.S.D.A 713 



Precipitation. (See Rainfall, Snowfall, etc.) 

 Precipitin for differentiating insoluble pro- 

 teins 410 



reactions, notes 6S0 



Pregnancy, biological investigations 174, 577 



diagnosis 577, 881 



Prenolepis minutula atomus fuUawayi n. var., 



description 264 



Preservatives, chemical, notes, N.Dak 64 



Prickly pears. {See Cacti.) 



Primrose, Chinese, formation of pigments in. 633 



PrioTioxystus robinix, notes 658 



Prionvs laticollu, notes, N.J 755 



Prociphilus tesseUata, notes, U.S.D.A 257 



Prodenia litura, notes 862 



Proprionic acid, effect on bread fermentation . 268 



Proso, culture experiments, U.S.D.A 137 



Prospaltella bcrlenei. behavior in Italy 564 



murtfddtii, notes, U.S.D.A 556 



Proteid. (See Protein.) 

 Protein— 



alcohol-soluble, determination in wheat 



flour Ill 



anaerobic decomposition 226 



assimilation in plants 525 



content of flour, studies 807 



determination in butter 209 



digestion by pepsin 9 



formation in plants 226, a34 



horse serum, in milk of immunized sheep . 680 



hydrolysis, studies 501 



nutrition, studies, Wis 68 



of Liebig's meat extract 363 



synthesis by yeasts and fungi 525 



Proteins— 



autolysis in killed plants 426 



chemical changes during digestion 76S 



constitution, book 803 



determination 9 



insoluble, differentiating 410 



investigations 501 



meat, separation 498 



metabolism 464 



of rice, studies 166 



precipitation 107. 8W'.. 804 



toxic act ion 466 



value in animal nutrit ion 276 



Protozoa- 

 infecting bees 459 



pathogenic, bibliography 460, S.")! 



treatise 400, 551, 575 



separation of species 780 



Page. 



Protozoology, review of literature 77 



text-book 356 



Prune stones, hydrocyanic acid content 11 



Prunes, insects affecting 857 



methods of drying 146 



Prunus tomentosa, culture experiments, Can. 343 

 Prussic acid. (See Hydrocyanic acid.) 

 Pseudococcui — 



aceri?, notes, N.J 755 



(Dactylopius) perniciosus, injurious to 



cotton 454 



spp., notes, Hawaii 155 



PseudomoruM radicicola, notes 26, 828 



spp., nutrient medium for 729 



Pseudopanteles eticllx, parasitism, U.S.D.A. . 553 



Pseudopeziza tracheiphila, treatment 250 



Psilopa petrolci, notes 862 



Psilopfera fastuosa, notes 863 



Psoroptes communis ovis, notes, U.S.D.A 182 



Psychotria bacteriophila, nitrogen-fixing bac- 

 teria in leaves 225 



Psylla pyri (pyricola). (See Pear psylla.) 



Pteromalus egregius, notes 456 



sp., notes. Mo 558 



PterygophoTa caUfornica, analyses 421 



Ptochorycfis tsugensis n. sp., description, N.J . . 755 



Ptosima novemmaculata, notes 863 



Public health, relation to rats 754 



PtKcinia— 



fusca, secidia 746 



malvacearum. notes 751 



phlei-pralensis, notes, Iowa 445 



pruni, life history 48 



spinosx, notes 8-50 



spp., cardinal temx)eratures for germina- 

 tion 149 



treatment. Can 746 



PucciniastTum myrtilli, notes 648 



Pueraria thunbergcana, notes, Ariz 528 



Pulpwood from jack pine and hemlock, U.S. 



D.A 541 



production in Canada 443 



Pulses, relation to beri-beri 461 



Pulvinaria psidii, notes 255 



vitis (= innumcrabilis). (See 

 Maple-scale, cottony.) 



Pumice soils of New Zealand, notes 513 



Pumping by electricity 86 



plant, irrigation, description 385 



Pumpkin seeds, sprouting, nutritive changes 



in 633 



Pumpkins, culture, Ind 32 



insects affecting 453 



Pumps, air-lift, investigations 892 



centrifugal, capacity, Cal 140 



Purdue University, notes 697 



Purple scale, notes 455 



Pus cells. (See Leucocytes.) 



Putrefaction, intestinal, sttidies 465 



Pyobacillus of sheep and goats 887 



Pyroderces spp., notes 862 



Pyrophosphoric acid esters of inosit, N.Y. 



State 712 



Pythium debaryanum, notes 544 



N.Y.Ctomell 728 



Wis 45 



