986 



EXPEEIMENT STATION RECOlElD. 



Pleospora— Page. 



disrupta, notes 539 



eriobotryx n.sp., description 746 



Pleuritis, autoserotherapy in 179 



Pleuro-pneumonia — 



immunization 883 



in bovines, diagnosis 584 



in bovines, review of literature. 177 



in goats 286 



Plowing— 



by electricity in Italy 591 



deep, notes, Okla 131 



experiments 785 



windlass and cable system 487 



with power 187 



Plows- 

 motor, calculating work of 291 



motor, tests 487 



tractor-drawn, notes 188 



Plum- 

 brown rot, studies 749 



butter, Servian, composition and charac- 

 teristics CG 



Plumbing- 

 fixtures, water testing for 190 



recent development in 190 



system for residences and small institu- 

 tions 190 



systems, local vents in 893 



Plums— 



efiect on composition of urine 7C1 



new, description, N.Y.State 337 



ripening studies 311 



Plusia chalcites, notes, Hawaii -249 



Pneumonia — 



equine, treatment 87 



(See also Influenza, equine.) 



septic, in bovines, treatment 85 



treatment 378 



(See also Pleuro-pneumonia.) 



PneumotubcT macaci, notes 356 



Poa— 



alpina, analyses 863 



pratcnsis, germination experiments 227 



Podosphsera spp., descriptions and treatment, 



U.S.D.A 748 



Poisons- 

 effect on vitality of male rabbits. Wis — 876 

 organic, detection in food 207 



Polarized light, chemical effects 759 



Polenski number, determination 811 



Poliomyelitis, transmission by Lypcrosia ir- 



Titans 551 



Poll evil, immunization 378 



Pollination, effect on fruit of Diospyros kaki. . 440 



Polyarthritis in sheep 286 



Polyclixtoneura elyii n.g. and n.sp., descrip- 

 tion -156 



Polyctcnida?, viviparity in 452 



Polygnotus spp., parasitism 458 



Polygonum — 



persicaria , eradication 532 



sachalinense, analyses 863 



Polyncma bifasciatipenne, notes, N .Y .State. . . 650 



Polyneuritis, prevention by foodstuffs 762 



Polyporus — Page. 



schweinitzii, notes 845 



texanus, notes 751 



versicolor, notes 751 



Polysphincta texana, notes 355 



Pomace fly — 



notes 552 



rearing on sterUe media ' 63 



Pomegranate rot, notes 539 



Pomelos- 

 Siamese seedless, description 48, 837 



storage experiments 338 



Pomology, course in 897 



Ponies — 



text-book 470 



Welsh, manual 170 



(See alsoHoTses.) 



Pontia rapx. (See Cabbage worm, imported.) 



Pop factories, inspection, Ky 359 



Poplar — 



borer, studies 159 



crown gaU, notes 845 



cro^vn gall, notes. Conn. State 641 



Poplars, carpenter worm affecting 550 



Poppy blight, notes 641 



Population, growth and distribution in 



Michigan 595 



Porcellio spp. , notes 758 



Porcellionides pruinosus, notes 758 



Pork- 

 cost of production 568 



prices in Ireland 96 



production contest in North Dakota 568 



production in Pacific Northwest, 



U.S.D.A 470 



slaughtering and curing 269 



trichinous, cold storage experiments 356 



Porosagrotis delorata, notes 352 



Porthetria dispar. (See Gipsy moth.) 



Porto Rico Station — 



notes 300 



report 694 



Potash- 

 absorption by oats 632 



absorption by soils, Hawaii 723 



concentration in subsoils, U.S.D.A 720 



deposits at Spur, Texas 726 



deposits in Great Basin, U.S.D.A 423 



deposits ia Michigan 623 



deposits in United States 125, 321 



deposits in United States, U.S.D.A 218 



determination in mixed fertilizers, S.C. . 207 



determination in soils 618 



distribution in loam soils 618 



effect on coherence of soils 123 



effect on composition of beets 736 



etf ect on composition of meadow hay 622 



effect on flax fiber 332 



effect on growth of leguminous plants 132 



effect on matm'ity of cotton, N.C 40 



effect on quality of barley 330 



fertilizers, application 820 



fertilizers, comparison 820 



fertilizing value 226, 328, 333, 527, 738, 821 



from kelp 823 



