INDEX OF SUBJECTS. 



879 



Plants— Continued. Page. 



urease in 133 



variation in, studies 732 



vascular, respiration in 327 



water, transpiration current in 229 



woody, susceptibility to disease 152 



Plasmodiophora brassicx. (See Cabbage club 



root.) 



Plasmopara cubensis, treatment, Conn.Storrs. 743 



Plasmopara vine disease, notes 101 



Plaster, analyses. Conn. State 624 



land. (See Gypsum.) 



Platinum crucibles, destruction 516 



Platyparea posciloptera, notes 156 



Plectrothrips, new genus, description 551 



Plcosphxndina briosiana, description 544 



Pkospora graminca, treatment 246 



Pleuro-pneumonia, prevalence in Japan 81 



Pleurotus ostrcatua enzyms, studies 530 



Plowing, effect on soil bacteria, Kans 21 



experiments in India 440 



fall, effect on soil moisture 442 



traction, U.S.D.A 791 



Plum curculio, studies, Mo. Fruit 258 



diseases, treatment, Can 350 



gummosis, notes 50 



leaf miner, occurrence in New York . . . 654 

 pollen, gennination as affected by tem- 

 perature, Wis 527 



Plumage inheritance in fowls 379 



Plums as affected by climate and soils 240 



canned, misbranding, U.S.D.A 67 



culture in Texas 640 



grafting experiments, Mass 241 



varieties for W yoming 640 



Pneumococcus infections, tests of serums and 



vaccines for 386 



Pneumonia, equine contagious, descri ption . . 488 



in hog cholera, cause. Ark 788 



infectious, in horses 587 



{See'aho Pleuro-pneumonia.) 

 Podisus macuUvcnlTis, destructive to potato 



beetle, U.S.D.A 57 



Podosphxra leucolricha, notes 349 



PoisoH ivy, destruction , Mass 235 



Polarimeter, description 311 



Poles, production in the United States 243 



Pollen, germination and fertility. Wis 520 



experiments 330 



vitality as affected by air moisture... 329 



Pollcnia rudis, remedies 560 



pollini, notes 60, 652 



Polygraphus trcJichi, remedies 362 



Polyporus hispidus, notes 52 



ignarius, studies 247 



spp. notes 455 



versicolor, notes 651 



Pomelo as a citrus stock, Hawaii 41 



Pomology in Italy 341 



Ponds, culture of food plants in 422 



fish, use in sewage disposal 422 



Pontia rapx. (See Cabbage wonn , imported.) 



Poplar sawfly, life history and habits 654 



Poppies, selection 442 



Poppy seed, analyses 665 



Population of Nebraska 396 



Page. 

 Porizon cooki, parasitic on strawberry leaf 



roller, N.J 659 



Pork, analj'ses. Mo.. 771 



Ohio 771 



Chinese, inspection in England 164 



PoTlhelria dispar. (See Gipsy moth.) 



Porto Rico Station, report of director 295 



University, notes.... 597 



Postal dairy library, catalogue 781 



Polamanlhus inequalis n. sp., description 654 



Potamogelon spp., transpiration current in. . . 229 

 Potash- 

 assimilation by beets 432 



availability in soils, N.H 424 



cheapening 432 



consumption in Spain 323 



determination 303 



cobalti-nitrite method 510 



in soils 211,220 



effect on composition of plants 23 



germination of corn 228 



fertilizers, comparison. Mass 231 



fertilizing value 537 



for chalk lands 525 



industry in Germany 226, 227, 622 



loss in burning of molasses 719 



methods of analysis 411 



minerals, fertilizing value 128 



relation to nitrification in soils 714 



salt deposits in various countries 718 



salts, ammonia and nitrate in 432 



effect on soil moisture 24 



transpiration of plants 721 



fertilizing value 718 



{Sec also Potassium salts.) 



silicate, analysis and solubility 128 



fertilizing value 24, 718 



wholesale prices, N.J 130 



Potassium— 



chlorid, effect on solubility of phosphates. 128 



fertilizing value 718 



distribution in striated muscle 267 



iodid, reaction of tuberculous guinea pigs 



to 85 



methods of analysis 8 



nitrate, decomposition by bacteria 609 



phosphate, acid, effect on nitrogen fixa- 

 tion, N.J 121 



removal from vegetables in cooking 369 



salts, effect on respiration in plants 629 



Potato beetle, Colorado, notes 58, 464 



studies, U.S.D.A... 56 



blackleg, notes, Va.Truck 137 



bUght, cost of spraying for 746 



resting spores 346 



studies 746 



Me 546 



treatment 453 



Wis 247 



canker, notes 246 



studies, Can 545 



diseases, bibliography 347 



notes 149, 150, 346, 347, 452, 453 



studies 246, 746 



Me 546 



