INDEX OF SUBJECTS. 



981 



Page. 

 Ponies, Welsh and Exmoor wild, as founda- 

 tion stock for army remounts S74 



(See also Horses.) 



Pontia monustc, notes, P.Tl 652 



Pocecetes grarnineus, destruction for grain 



aphidsby, U.S.D.A 452 



Pop com, culture, U.S.D.A 743 



varieties, Ariz 426 



Popence, E. A., biographical sketch 699 



Poplar wood , production in France 43 



Poppy, floral anomalies in 629 



seed oU, detection 613 



Poria atrosporia n. sp., description 451 



Pork production, notes, Cal 69,573 



sausage, preservation 312 



Porphyrothrips cottei n. g. and n. sp., descrip- 

 tion 854 



Porthetria dispar. (See Gipsy moth.) 



Porto Rico College, notes 900 



Station, report 696 



Sugar Station, report 95 



Postal saving banks in various countries 895 



Pot experiments, factors affecting yield 514 



Potamogeton natans, growing for wild ducks. . 373 

 Potash- 

 absorption by bacteria 315 



from zeolites 625 



as a top dressing for pastures 632 



availability in feldspathic fertilizers 796 



deposits in California 319 



Germany 319 



Great Basin 518 



Kalusz, eastern Galicia 822 



determination 796 



in fertilizers 308 



displacement by water in leaves 218 



effect on — 



apples. Pa 438 



variation of tomatoes and beans, Md. 339 



fertilizers, comparison 126, 215,516 



eflect on conservation of pears . 640 



fertilizing value 227 



from feldspar 518 



freshly cut kelp 519 



seaweed 128 



silicates 215, 518, 822 



loss from soils, Fla 211 



minerals, fertilizing value 625 



minimum, for plant growth, N. Y. State. 22 

 salts, eflect on disease susceptibility in 



cereals 844 



germination of seeds.. . 328 



production and use in 1911 213 



in Germany in 1912 128 



substitution for common salt in 



nephritis 167 



(See also Potassium salts.) 



solubility as affected by bacteria 315 



sources of in United States, U.S.D.A 419 



Potassium- 

 carbonate, eflect on germination of seeds. 328 



fertilizing value 632 



chlorid.eflectonactivity of malt diastase. 528 

 composition of turnips, 



R.I 418 



germination of seeds 327 



33912°— 14 7 



Page. 

 Potassium— Continued . 



chlorid, fertilizing value 625, 830 



determination 307, 609 



in fertilizers 409 



foods 809 



eflect on Aspergillus fumigatus 30 



growth of tubercle bacilli 381 



excretion under normal and pathological 



conditions 166 



nitrate, eSoct on flow of rubber latex 748 



germination of seeds — ' 328 



legume bacteria 733 



salt as an adulterant of table salt 867 



salts,eflect on composition of plants, R.I. 419 



extraction from silicate rocks 215 



in salines of United States,U.S.D.A. 214 

 (iSee also Potash salts.) 



separation from sodium 807 



Potato- 

 beetle, Colorado, notes, Can 252 



Mont 652 



chips, preparation 414 



corky or powdery scab, notes 448 



diseases, investigations 549 



notes 444, 646 



Me 141 



N.J 549 



treatment, Can 242 



Md 336 



Mich 146 



dry rot, investigations 47 



Nebr 47 



drying industry in Germany 209 



progress in 509 



flakes, analyses 470 



preparation 414 



flea beetle, notes. Can 761 



studies and bibliography, Me. 258 



late blight affecting tomatoes 246 



description and treatment, 



N.Y. Cornell 549 



infection experiments 153 



investigations, Vt 550 



notes 4 45 



oospores of 846 



treatment 549 



Fla 242 



leaf roll, notes 150,550 



studies 40,246,347 



powdery scab, notes 448 



occurrence in Maine 550 



treatment 549 



refuse, nutritive value 665 



root rot, notes 445 



rot, investigations 550 



scab, treatment 646 



silver scurf, studies and bibliography, 



U.S.D.A 347 



skins, impermeability 628 



isolation of fat Irom 459 



sprayers, tests 292 



tops, nutritive value 665 



tuber diseases, descriptions and treat- 

 ment, U.S.D.A 549 



moth,notes, U.S.D.A 855 



remedies 856 



