984 



EXPERIMENT STATION RECORD. 



Page. 

 Puccinia — 



cymbopogonis n.sp., description 750 



malvacearum, studies 144, 850 



spp., binucleate conditions in 327 



notes 453, 652 



studies, U.S.D. A 051 



xylorrhizx, notes, Wyo 385 



PucciniastTum myrtilli, notes, Conn. State . . . 545 



Pulex hritans, notes 554 



Pulse, insects affecting 250, 852 



pressure and rate as affected by exer- 

 cise 269 



seed, purity and germination tests 37 



Pulvinaria maskclli, parasitism 54 



psidii, notes 251 



pyriformis, parasitism 154 



Pumpkin seeds, analyses 272 



Pumpldns as affected by tobacco smoke 225 



eflect on milk 479 



Punches, notes, Iowa 568 



Punka granatum, host of orange thrips, 



U.S.D. A 657 



Purdue University, notes 795 



Purins, occurrence in lower fungi 567 



Purple scale, notes, Hawaii 358 



Purpura hemorrhagica, treatment 380 



Purslane, destruction, Hawaii 37 



host of orange thrips, U.S.D. A 657 



Pus cells. (See Leucocytes.) 



Putnam's scale, notes, Colo 556 



Putoniella marsupialis, notes 157 



Putrefaction products, bactericidal to anthrax 



bacillus 85 



Pyocyanase, bactericidal action of 283 



tests, Del 585 



Pyrausta vastatrix, notes 357 



Pyrethnun powder, notes, U.S.D. A 764 



P jTocatechin, relation to guaiacum reaction . 634 



Pyrophosphates, fertilizing value 631 



Pyrox, tests, N.J 456 



Pyrus domestica, post-ripening of 202 



spp., breeding experiments. Can 043 



Pythium debaryanum, studies 845 



gracile, notes 655 



sp., notes 847 



Quack grass, destruction, N.Dak 641 



U.S.D. A 836 



host plant of timothy stem- 

 borer, U.S.D. A 57 



Quartz sand, effect on microbial cultures 220 



Quillaia bark, use in insecticides and fungi- 

 cides 225 



Quince blight, wintering over, Colo 848 



diseases, notes. Conn. State 545 



eSect on pear scion 339 



Quinin, eflect on phagocytosis 881 



plants 433 



Quiscalus crassirostris, destructive to mole 



crickets 255 



Quitter, immunization 380 



Rabbit traps, descriptions, Kans 446 



Rabbits- 

 host of spotted fever tick, U.S.D. A 756 



immunization— 



; amanite poisoning 683 



hemorrhagic septicemia 183 



Page. 

 Rabbits— Continued . 



immunization — continued. 



against streptococcic infection 184 



experiments 380, 584 



nutrition experiments 369 



protection of trees from, Okla 538 



scabies affecting 788 



susceptibility to tubercle bacilli 783 



transplanting of ovaries in 867 



Rabies, complement fixation of 86 



diagnosis 381 



in man, mortality and incubation 



period 483 



Lentz's bodies in 482 



nature and treatment, U.S.D. A 381 



notes 881 



prevalence in France 282 



studies 284, 685 



treatment 381 



virus as affected by vacuum desicca- 

 tion 483 



Radioactivity, atmospheric, as affected by 



soils 718 



Radishes, cabbage aphis affecting, N.Y.Cor- 

 nell 658 



culture in Guam, U.S.D. A 837 



Radium, effect on eggs 772 



plants 222,523 



Raflinose, determination 209 



occurrence in raw beet sugar 209 



Railroad ties, crude oil treated, tests 42 



Railroads, relation to forest fires 347 



Rain, analyses 317, 434, 719 



dissolved matter in -g. 115 



effect on spore content of air 347 



electricity of, studies 617 



fertilizing value 719 



nitrate content 17 



nitrogen content 509,812 



sore, treatment 386 



Rainfall — 



at McLeod, N.Dak 625 



distribution, eflect on wheat yield 509 



eflect on composition of wheat. Wash 860 



heavy in Texas, U.S.D. A • 717 



in British Isles 812 



Ontario, Can 527 



of central Utah 619 



the Great Plains, U.S.D. A 691 



paper on, U.S.D. A 418 



relation to southern crops 316 



studies 617 



(See also Precipitation.) 



Raisin industry in California 446 



Raisins, presence of lead arsenate in 40 



Ramie, treatise 134 



Rampion, assimilation of iron by '. 237 



Rana fusca, abnormal fecundation in 772 



Rape, analyses 272 



as a soiling crop for cows 478 



breeding experiments 134 



cabbage aphis aflecting, N.Y.Comell.. 658 



cake, analyses 370 



culture experiments 230 



oil, refraction constant 801 



seed meal, analyses 871 



