978 



EXPERIMENT STATIOX RECORD. 



(Vol.40 



Pigs — Continued. Page. 



velvet bean meal for, Ark 279 



velvet beans for, Mich 76 



(See oixo Swine) 



Pilobolus, response to light 519 



Pilocrocis tripunctata, notes 259 



Pilophorus icaWiii, notes 165 



Pimpla — 



pomorum, studies 65 



roborator, studies 857 



Pinacyanol and pinaverdol, synthesis 711 



Pine — 



Australian, borer injury 860 



blister ru^t, introduction into 



the West 54 



(See also White pine blister 

 rust.) 



forest soils, nitrification studies 41S 



forests of Brazil 7 !"• 



growth in relation to altitude 12:» 



maritime, tumors of 159 



needles, significance and history. 819 

 reproduction as affected by beat 



clover 8 12 



rusts, notes 841 



sawfly, European, notes, N.J T64 



seed beds, fungus flora 



Beedllngs, white spot injury 53 



twig borer, notes 632 



western yellow, reproduction as 



affected by grazing, t\S.D.A__ 343 

 (See ols'i Pinu* and White pine, i 



Pineapple — 



fungus on coconut 751 



weevil, notes 259 



Pineapples, composition and fertilizer 



requirements 446 



rink bollworm. (See Cotton boll- 

 worm, pink.) 



Pinu* — 



iMsignit, potash content 321 



spp., Razoumofskya infection 253 



sylvestris. tube development in 



microspore 223 



Pipette — 



absorption, description 308 



capillary, description 286 



for measurement of small vol- 

 umes 806 



for tubing culture media 12 



holder, description 5S1 



Piricularia — 



n.spp., descriptions 156 



oryzte, notes 845 



Piricularia, studies l">rt 



Piroplasmosis of cattle — 



in Italy T82 



in Sweden 585 



Pistol case-bearer, biology 757 



l'isuni, inheritance studies 147,225 



Pisum sativum; bacterial disease 844 



Placenta — 



action of enzyms on 566 



growth-promoting subatanos in 566 



Plat/imh ra icrxirolora, notes, N.J 754 



Plague, relation to rats 161 



Plant- 

 breeding — Page. 



and seed control 245 



experiments. (.See Apples, 

 Corn, Wheat, etc.) 



textbook 817 



(See also Heredity.) 



cells, chromosome number 817 



cells, metachromatin in 325 



cells, mitochondria in 425, 818 



cells, role of chondriome in__ 223, 323 

 cells, size in relation to muta- 

 tional characters* 323 



competition, studies 424 



disease problems in relation to 



plant introduction 343 



disease survey work, relation of 



phytopathologists to 449 



diseases — 



and enemies in Switzerland- 249 



and immunity 344 



and pests, handbook, Cal 543 



and weather conditions in 



Texas 154 



bacterial. In British Isles S44 



biochemistry of resistance, 



Minn 745 



breeding for resistance 344 



In British Guiana 844 



in France 844,845 



In Guam, Guam 344 



In Italy 845 



in Madras 845 



In Porto Rico 844 



relation to soil fungi 318 



treatise 47 



[Bee also different host 

 plant 8.) 

 distribution in glacial plunge 



basin 326 



distribution on desert mountains 129 



distribution, studies 130 



genetics, textbook 817 



growth, critical periods 19 



growth, relation to altitude 129 



lice, jumping, of Hawaii 262 



metabolism, pentose sugars in__ 30 



mucilages, studies 818,819 



parasites, phanerogamic, osmotic 



pressure 130 



poisons, organic •"-" 



populations in Denmark, studies. 832 



production, course of study 492 



residues) influence on nitrogen 

 fixation and nitrate loss in 



soils 121 



tissues, determination of acidity 



in 223 



riantain meal, analyses 17:! 



Plantains, Insects affecting 453 



Plants — 



adjustment to desert habitat — 1M 

 as affected by barium and stron- 

 tium Bit 



as affected by electricity 1 17, 



184) 4M| 



