978 



EXPERIMENT STATION RECORD. 



Potatoes— Continued. Page. 



physiological abnormalities of 747 



rejuvenescence 730 



rest period in 825 



seed, formaldehyde disinfection, N.Y. 



State 539,540 



seed selection 228, 637 



seed selection. Wash 197 



seed, sprouted v. unsprouted 333, 832 



seeding experiments 134 



selection of edible types 39 



spraying experiments 449, 847 



spraying experiments, W.Va 49 



steamed and dried, for pigs 470 



sulphur as a fertilizer for 139 



sjTnbiosis and tuberization in 730 



transportation regulations, S.C 346 



tuber formation 332 



varieties 139, 228, 333, 434, 525, 735 



varieties. Mass 139 



varieties, Utah 829 



varieties, W.Va 38 



varieties resistant to late blight 748 



Totomac River sediments, analyses 223 



Poudro, analyses and fertilizing value 26 



Poultry- 

 breeding experiments 571 



care and management 872 



changes in during storage 259 



clubs, organization, U.S.D.A 395 



demonstration train in North Wales 495 



diseases in British East Africa 576 



diseases, manual 687 



dressed, refrigeration in transit, U.S.D.A. 71 



effects of inbreeding 71 



experiments, W.Va 71 



external parasites of 786 



fancy table, in France 175 



fattening commercially, U.S.D.A 470 



feather crested types, studies 773 



feeding experiments, U.S.D.A 470 



feeds, analyses 377 



feeds, analyses, Ind 169 



feeds, analyses, N. Y.State 68 



fighting, booklet 175 



growth data. 111 370 



heredity in, R.I 71 



houses, construction 471,794,872 



houses, construction, N.J 389 



houses, notes, Utah 390 



industry in Indiana, Ind 71 



industry in United States 471 



management, U.S.D A 395 



management on a small holding 90 



manure, value, preservation, and use. Me. 175 



notes 471, 571, 872 



notes. Me 175 



notes, N.J 373 



protection against predatory enemies. Me. 175 



school in Rio de Janeiro 194 



text-books 696 



treatise 270, 572 



variations in 374 



{See also Chickens, Ducks, etc.) 

 Powdery mildew — 



characteristics 537 



relation to light 747 



Power, mechanical— Page. 



for farms 789 



in German agriculture 387 



Prairie — 



berries, improvement, N.J 343 



dogs, extermination, Wyo 697 



dogs, prevalence in Colorado 249 



hay, analyses, N.Dak 671 



Prairies, preparation for grain crops, Can 829 



Praijs— 



citri, notes 252 



oUxllus, notes 455 



Precipitation— 



chlorin and sulphur content 422 



in Texas Panhandle, U.S.D.A 318 



in United States 815 



in United States, U.S.D.A 318 



in western Kansas, U.S.D.A 318 



relation to tree growth, U.S.D.A 417, 445 



{See also Rainfall, Snowfall, etc.) 



Precipitins, relation to complement fixation. 478 



Pregnancy, diagnosis 276 



Premnotrypes solani n.g. and n.sp., descrip- 

 tion, U.S.D.A 459 



Preservatives — 



effect on cider, N.Dak 665 



examination 258 



physiological significance 364 



Preserves — 



manufactiire 613 



preparation and judging 259 



Pressure pipes for water conveyance 187 



Prickly- 

 ash, notes, U.S.D.A 145 



pear. (5ee Cacti.) 



Primulas, hybridization experiments 329 



Prionin*, catalogue 458 



Prodenia— 



litura in Philippines 252 



litura {litoralis) in Egypt 252 



spp. , notes 356 



Produce exchanges, speculation on 591 



Promecotheca cumingii, notes 56 



Promethea moth, notes. Conn. State 655 



Propionic acid, decomposition by sunlight. . . 431 



Proso, culture experiments, U.S.D.A 136 



Prosopothrips cognatus n.sp., description 658 



Prospaltella perniciosi, notes 661 



Proteases, nephelometry in study of 410 



Proteid. {See Protein.) 

 Protein- 

 availability, determination by feeding 



experiments 97 



chemistry, progress in 201 



metabolism as affected by complement. . 478 



minimum, studies 366 



poison, effect on dogs ISO 



split products in relation to immunity 



and disease, treatise 379 



Proteins — 



coagulation by ultraviolet light 110 



effect on baking qualities of flour, Kans.. 556 



formation of hydrocyanic acid in 802 



in animal serums 68 



of muscle juice, studies 766 



rdle in growth 366 



vegetable, biological reactions 680, 778 



