876 



EXPERIMENT STATION RECORD. 



Page. 



Pine forests, litter experiments 445 



of France, development 549 



leaf-cast, notes 53, 643 



loblolly, studies, U.S.D. A 42 



rin? scale, root infection by 252 



sliortleaf, studies, U.S. D.A 42 



yellow, tests 645 



sun scorch, studies, Mass 252 



Pineapple diseases, studies, Hawaii 746 



Pineapples, canned, adulteration, U.S.D.A. . 464 



culture, Fla 319 



fertilizers for, U.S.D.A 93 



Pines as affected by frosts 453 



soil properties 244 



common, variations in 549 



fertilizer experiments 245 



growth as affected by moisture 740 



insects affecting 752 



new fungus affecting 246 



of California, guide 739 



Scots, seeding experiments 740 



witches' broom affecting 453 



Pinus cembra, animal enemies of 752 



echinata, studies, U.S.D.A 42 



spp., introduction into Belgium 344 



sylvestris, seeding experiments 740 



variations in 549 



<;e(?o, studies, U.S.D.A 42 



Piroplasma bigeminum, notes 484 



canis, bibliography 481 



culture experiments 481 



Tossi n.sp. , description 161 



spp., development of 83 



occurrence in South Africa. 83 



role of in cattle diseases 481 



Piroplasmosis, bovine, treatment 781 



canine, treatment 486 



in cattle 386 



of cattle in Queensland 484 



various animals, notes 481 



prophylaxis and pathology. . . 280 



transmission by ticks 481 



Pissodes n. spp., descriptions, U.S.D.A 460 



notatus, introduction into New York. 54 

 spp., studies and bibliography, 



U.S.D.A 459 



Pisum spp., natural crosses of 723 



Placenta, relation to activity of mammary 



glands 477 



Plagionoius speciosus, notes 454 



Plague, bubonic, in ground squirrels, U.S. 



D.A 253 



control in San Francisco 161 



in domestic animals 82 



ground squirrels 784 



occurrence in England 556,748 



Planarians of Ceylon, studies and bibliog- 

 raphy 160 



Plant associations, causes of succession 330 



breeding- 

 experiments— 



notes 723 



with beets 735 



corn 732 



lU 537 



cotton 634 



U.S.D.A 438 



Plant breeding— Continued. 



experiments — continued . 



with forage plants, U.S.D.A. .. 436 



grapes 545 



Solanum spp 632 



sweet corn. Me 238 



trees 644 



wheat 735 



Can 433 



review of literature 339 



treatise 543, 634 



bug, tarnished, notes 454 



culture, relation to weather 15 



diseases — 



in Indiana, notes 557 



South Carohna, S.C 741,742 



new fungus, of Iowa 195 



notes 38, 345, 447, 647, 654 



prevalence in Imperial Valley, Cal. 535 



West Indies 647 



role of fluorescent bacteria in 240 



studies 45 



and bibliography, N.Y. 



State. 549 



symptoms, U.S.D.A 694 



treatise 44. 345, 354, 398, 440 



treatment 132, 345, 550, 745 



N.Y.Cornell 550 



S.C 742 



Vt 447 



{See also different host plants. ) 



distribution, relation to climate 126 



food, determination 397 



in soils 220,299,320 



physiological function of . . ; 299 



removal from soils by drainage . . 711 

 growth as affected by — 



character of soil 21 



dihydroxystearic acid, 



U.S.DA 32 



electricity 33 



magnesium 26 



salts 31,135,328 



soil solution 220 



temperature 720 



in heated soils, studies 421 



stimuli, investigations 230 



hybrids, natural, importance *23 



inspection. (See Nursery inspection.) 



lice, injurious to apples. Me 750 



A zalea indica 252 



notes 57 



parasitism 654 



remedies 454 



{See also Apple aphis, etc.) 



life of Maryland, studies 136 



nutrition as affected by colloids 219 



studies 225 



parasites, wintering-over 743 



physiology, notes 38 



production, course in, U.S.D.A 92 



propagation, seedling-inarch and nurse 



plant methods, U.S.D.A 736 



regulations in Cape Colony 55 



respiration as affected by salts 328 



role of reduction processes 



