INDEX OF SUBJECTS. 



895 



Page. 



Pyrogallic acid , effect on soil acidity 320 



Pyrogallol, effect on soils 623 



Pyroneraa growth, investigations 629 



Pyropoliiporiis spp., parasitic, studies 751 



Pyrops candelaria, Life history 756 



PyrtLs syriaca, introduction from Palestine, 



U.S.D. A 538 



Pythium debaryanum, investigations 654 



gracile, injurious to ginger 432 



Quack grass, treatise 732 



underground organs, studies. . . 727 



Quadrupeds, dynamics of locomotion in 577 



Quaggas, differentiation of species 274 



Quail, relation to fruit industry in California, 



U.S.D. A 555 



Quartz lamps, sterilization of water by 713 



Quercus phellos, notes 252 



spp. , insects aflectiag 756 



resistant to mildew 50 



Quicklime, effect on soil bacteria 231 



fertilizing value 232 



Quince bacterial bUght, studies 49 



crown gall, investigations 149 



leaf blight, studies 549 



products, salicyUc acid in 709 



Quinces, endotrophic mycorrhiza in 528 



introduction from Palestine, 



U.S.D. A 538 



Quinin, effect on plant respiration 629 



Quinol, transformation into glucosids 725 



Quitters, immimization 783 



R&b, use in preparing rice seed beds 129 



Rabbit brush, analyses, Nev 71 



Rabbits— 



as affected by kainit 582 



breeding 178 



influence of male parent In 571 



digestion experiments 667 



immunization against co wpox 481 



pox 286 



sarcoma 584 



swine plague 486 



metabolism experiments 272 



of Kansas , notes 356 



production of polyvalent serums from . . 785 



reaction to horse serum 681 



transmission of immunity in 482 



Rabies, abortive, comparison of cases 482 



control in New York.-. 783 



diagnosis 783 



in inoculated animals S4 



exjierimental studies on 787 



in Canada 783 



Senegal dogs 487 



measure of immunity against 84 



nature, cause, and prevalence 783 



notes, Kans 585 



paper on 387 



relation to animal experimentation. . 182 



studies 482 



Radioactivity, progress in 210 



Radishes as affected by mineral salts 328 



nematodes affecting 741 



rftle of boron in 231 



varieties, Fla 452 



Radium, effect on plants 528 



Page. 



Raflinose, determination in raw sugar 709 



Ragi, fertilizer experiments 134 



Ragwort, toxicity, researches in 582 



Railroad ties, value of beech for 643 



Railroads of Manchuria 396 



Rain, nitrogen content 220 



Rainbow observations, Laine's, interpreta- 

 tion, U.S.D.A 419 



Rainfall as affected by forests 521 



distribution 119 



in Colorado, U.S.D.A 590 



Massachusetts 313 



Nevis and Antigua 220 



North Dakota, N. Dak 715 



South Africa 517, 729 



the Nile basin 312 



local, variations in 119 



of Uruguay 395 



relation to forests 516 



plant diseases, Va. Truck. 716 



wheat yield 516 



{See also Precipitation.) 



Raisins, adulteration, U.S.D.A 468, 769 



analyses, Me 567 



misbranding, U.S.D.A 371 



Rams, formation of renal calculi in, Iowa. . . 278, 283 



Ramularia heimerliana n. sp., description 50 



Range caterpillar, studies, U.S.D.A 463 



investigations in Arizona, U.S.D.A. . . 136 



Ranges, protected, weeds in, U.S.D.A 137 



Ranunculus Timilaris, toxicitj-, researches in . . 582 



Rape, analyses 232 



cake, effect on water requirements of 



crops 331 



culture 232 



experiments, Fla 432 



dust, fertilizing value 532 



fertilizer experiments on swamp soils. 



Can 532 



for lambs, S.Dak 177 



meal, analyses 326 



varieties, Can 334, 531 



Raphanus raphanistrum , studies 732 



sativum, infection experiments 653 



Raspberries, breeding experiments, Alaska . . G39 



chemistry of 414 



culturein Wyoming, U.S.D.A.. 189 



new, descriptions, U.S.D.A 143 



red spider affecting, Colo 264 



Raspberry an thracnose, investigations. Wash . 452 



diseases, investigations 149 



pomace, utilization 218 



weevil, notes 458 



Rat fleas, relation to plague 656 



viruses, studies 753 



Rata ash, composition 26 



Ratin bacilluz, characteristics 188 



Rations, emergency, analj'ses 271 



for dairy slock, Mass 73 



ewes, -Ma. College 74 



live stock, Tex 572 



soldiers 67,266 



of armies in various countries 271 



relation of palatability to nutrition. 



Wis 569 



Rats and mice, protein differentiation in 286 



