968 



EXPERIMENT STATION RECORD. 



[Vol. 37 



Pigeon peas— Page. 



culture experiments 734 



culture experiments, Guam 729 



green manuring experiments 734 



varieties 825 



Pigeons — 



egg-laying cycles 8fi3 



sex control in SOS 



Pigments, plant, formation 632 



Pigs- 

 blood and body temperature as affected 



by exercise and sun's heat, U.S.D.A.. 381 



blood, morphology, U.S.D.A 3S0, 381 



cost of raising, N.C 680 



crude oil for 882 



digestion experiments. Ark 678 



digestion experiments, 111 677 



fall, raising, Minn .' . . 270 



feeding experiments 860 



feeding experiments, (iuam 768 



feeding experiments, Idaho 67 



feeding experiments, Mirm 25S,263,270 



feeding experiments, N.C 679 



feeding experiments, N.Mei 6S 



feeding experiments, Xebr 678 



feeding experiments, Tpx 367 



feeding experiments. Wash 69 



grazing experiments, Idaho 66, 68 



grazing on irrigated lands, Nebr 678 



hairlessness in 278 



improvement, Guam 768 



improvement, value of good sires 866 



judging 94 



marketing in the South, U.S.D.A 391 



nutritive requirements 264 



cestrus and o\'uJation in 867 



partial thyroidectomy in 278 



raising in Maine, Me 680 



rotation of crops for, La 572 



self-feeders for. Mo 69, 90 



suckling, immunity to hog cholera 881 



treatise 769 



worms Infesting, Guam 779 



Pine- 

 Arizona yellow, growth and density of 



stand 837 



blLster nist, control in Massachusetts 646 



blister rust, control in New York 846 



blister rust in Canada 558 



blister rust in Maine 244 



blister rust in Ontario 155 



bUster rust law tn New Hampshire 547 



blister rust, notes 253, 458, 658, 757 



blister nist, overwintering 658, 845, 846 



lodgepole, seed behavior 244 



needle cast, notes 458 



pitch, characteristics and distribution K7 



sawfly, European, in North America 568 



seedling disease, notes 458 



tip moth, notes. Conn. State 255 



trees of Rocky Mountain region, U.S.D.A 346 



western yellow, mill tally 451 



western yellow, tests, U.S.D.A 89 



white, growth of seedlings S37 



yellow, durability 727 



Pineapple— 



Kauai wilt, investigations, Hawaii 155 



seedlings, growing, Hawaii 142 



Pineapple— Continued. Page. 



seeds, germination, Hawaii 142 



weevil, new, in Jamaica 161, 162 



wilt, studies, Fla 652 



wilt, treatment 550 



yellows, notes, Hawaii 155 



Pineapples — 



green manure experiments, Hawaii 144 



improvement, Hawaii 142 



Pinipestis zimmermani, notes, Conn.State 255 



Pinus tscda belt of Atlantic coastal plain 435 



PionnotM capiUacea n.sp., notes 14.S 



Plophilidne, synopsis. Wash 665 



Pipes- 

 corrugated metal, tests 288 



wood-stave, specifications 487 



Pipette, automatic suction attachment 503 



Piricularia oryzx, notes 838 



Piroplarma bigeminum and P. divtrgem, cross- 

 Immunization tests 687 



Piroplasmosis — 



In Barbados 483 



to Russian Turkestan 374 



status and control 4S0 



transmission to pigs by ingestion 691 



Pistachio — 



biology and culture 746 



culture in Crimea 145 



leaf spot, notes 551 



Pitto-fporum lobira vaTiegalum, bud variation. 546 



Pituitary extract, effect on milk production . . 272 



Placenta, chemical composition 109 



Plagioiera vasicoloTa, notes 359 



Plague- 

 human, vaccine for 378 



transmission among marmots 180,878 



Plant- 

 ashes as a source of potash 437 



breeding experiments In Italy 827 



(Set also Apples, Wheat, etc.) 



cells, acidity 430 



cells, permeability 128,328,431,033 



diseases — 



and posts In German colonies 14S 



common and sclent iuc names S3S 



control by seed selection 141 



in British East Africa 453 



In British Guiana 83^ 



In Dutch East Indies 249 



In Florid.% Via (C,\ 



In Kharkov and viciniiy 245 



In Mauritius 550 



tn New Jersey 652 



in Philippines H<? 



in Porto Rico 24"i 



In Province of Buenos Aire^ 34!' 



in St. Vincent 652 



in Switzerland 47,24i 



in United States 5O0 



in West Indies 452 



treatment 247, 453 



treatment, Ohio 143 



treatment, Oreg 51 



treatment, Term 544 



{Set also different host plants.) 



food, removal by com crop, Conn.State.. 232 



growth, measurement 233 



growth, relation to climate 15 



