INDEX OF SUBJECTS. 



985 



Pines — Continued. Page, 

 mountain, in eastern central 



Alps 237 



Norway, in Lake States, U.S. 



D.A 330 



white, growtli studies S40 



Pinipestis erijthropasa n.sp., descrip- 

 tion 850 



Pink.s, garden, history 440 



Pinus — 



mo7itana, in eastern central 



Alps 237 



strohus, growth studies 840 



I'ipe, reinforced concrete, tests 885 



Piroplasma caballi in equine biliary 



fever in India 278 



Piroplasmosis — 



bovine, immunization 476 



bovine, treatment 682 



(Sec also Texas fever.) 



In domestic animals, treatment- 273 

 Pistaches, culture in southern Texas, 



U.S.D.A 539 



Pituitary extract — 



effect on growth of chickens 203 



effect on milk secretion 268, 871 



Plane tree leaf scorch, notes 347 



Plank drag for soils, Hawaii 780 



Plant- 

 associations in wild hay meadow- 329 



breeding, treatise 220, 425, 430 



breeding, treatise and bibliog- 

 raphy 822 



breeding work of Luther Bur- 

 bank, treatise 143 



cell reactions in relation to 



aphids 553 



chimeras, notes 726 



disease survey in South Caro- 

 lina. S.C 543 



diseases — 



and injuries, tropical, 



treatise 340 



and pests, control in Mauri- 

 tius 46 



control in Baden 145 



control in various coun- 

 tries 340 



immunity to 426 



in Bengal Presidency 449 



in Brazil 238 



in England 544 



in Italy, studies 340 



In Maryland 641 



in Mauritius 441 



in Missouri, Mo.Fruit 750 



in Nebraska 340 



in New Jersey, N..] 547 



in Ontario, Can 48 



in Philippines 749 



in Proskau 842 



in Quebec 543 



in Saxony 748 



in Surinam 749 



in Westphalia 238 



notes, Mich 641 



Plant — Continued. Page, 



diseases — continued. 



notes, Oreg 641 



treatment 447 



(See also different host 

 plants.) 



cnzyms, studies 523 



food, determination in soils 121 



gcographj', physiological, of Ja- 

 maica 748 



growth as affected by volatile 



conifer products 618 



growth, ciescograph for 222 



growth, effect on retention of 



bases by soils 121 



growth in distilled water and 



toxic solutions 627 



growth under sterile conditions- 49 



hairs, inheritance in 426 



hybrids, Mendelian segregation 



in 521 



inspection. {See Nursery in- 

 spection.) 



lice, notes, N.J 550 



lice, sucking phenomena 553 



{See also Apple aphis, etc.) 

 metabolism as affected by acid 



and alkaline solutions 626 



micro-chemistry, treatise 308 



nutrition, silica in 121 



organs, chemical modification 



during autofermentation 427 



parasites in Province of Turin- 145 

 parasites, osmotic pressure of-- 221 



physiology, treatise 520 



pigments, bibliography, Mo 18 



propagation, school lessons on 898 



.succession and evaporation in 

 southeastern Washington and 



adjacent Idaho 626 



succession, studies and bibli- 

 ography 128 



tallows of East Indies 201 



tissue, killing by low tempera- 

 ture. Mo 42 



trichomes, assimilation of at- 

 mospheric nitrogen by 327 



Plants — 



absorption of nutritive sub- 

 stances by 328 



alterations induced by ovarial 



treatments 429 



and external media, exchange 



between 625 



as affected by gas and smoke 524 



as affected by manganese 129 



as affected by tar coating 826 



brachysm in, U.S.D.A 731 



correlation between somatic 



characters and fertility 628 



culture indoors 839 



desert, density of cell sap 34 



desert, root habits 429, 626 



domesticating and improving 45 



electromotive phenomena in 522 



enemies of, Wyo 796 



forcing experiments 437 



