INDEX OF SUBJECTS. 



979 



Pago. 



Protist organisms, infective granule in 577 



Protoplasm, living, chemical dynamics of 823 



Protoplasmic contractions resembling plas- 



molysis , 130 



Protozoa- 

 counting in soils 826 



in ruminants' stomachs 577 



insoils. (.Sff Soil protozoa.) 



parasitic in Bufo regularis 680 



Provender, analyses, Mass 67 



Prunes- 

 culture in southern Utah, Utah 41 



dried, analyses 861 



Prunus— 



eriogyna n.sp., description, U.S.D.A 41 



virginiana, black knot of 750 



Prunus, pubescent-fruited species of South- 

 western States, U.S.D.A 41 



Prussic acid. (See Hydrocyanic acid.) 



Pseudoagclut inat ion, notes 205 



Pseudoanthrax bacilliand anthrax bacilli, re- 

 lationship 682 



Pseudococcus— 



acer is, notes 53 



filamentosus, notes 549 



Pseudomonas— 



cerasus, notes 749 



pruni, notes 245 



sp., notes 149 



Pseudopeziza— 



medicaginis, notes 648 



medicaginis, treatment 538 



ribis, notes 246 



tracheiphila, studies 148, 452 



trifolii, notes 538 



Psyllid, gall-producing, from Syria 251 



Psylliodes attacking Crucifera; in central 



Europe ICl 



Psylliodes — 



attenuate, biology and remedies 255 



punctulatn. {See Hop flea-beetle.) 



PsylloidefB, palearctic, catalogue 455 



Pteromaltna^, synopsis 661 



Puccinia — 



angustata, internal a?cidiaof 350 



glumarum, notes 649 



graminis, relation to barberries 149 



malvacearum, development 453 



malvaceorum, relation to cells of host 652 



spp., inoculation experiments 847 



spp., life histories 745 



spp. , notes 240, 44S, 746, 845 



Pucriniastrum myrtilli, infection experiments. 745 

 Pudding compound, examination. Conn. 



State 664 



Pullets, feeding experiments 872 



Pulpwood industn,' in United States 845 



Pulse, insects atTecting 53 



Pulvinaria vitis ( = innumerabilu'<). {See 



Maple-scale, cottony.) 

 Pumping— 



machinery, notes 294, 385, 887 



plants for irrigation 485, 587 



plants, steam r. electric power for 289 



plants, tests and efficiency 85 



Page. 



Pumpkin, canned, examination, Conn. State. 664 



Pumpkins, analyses 565 



Pumps, centrifugal- 

 air pump for priming 588 



balancing devices for 2S8 



Purdue University 796 



Purin metabolism, studias 261 



Pus cells. (Srr Ix^ijcocjte--.) 



Putrelartion In human intesllnes 262 



Puzzolan mixtures for roa«ls 2yo 



Pycnobaris .spp., nolos 357 



Pyol)acillosLs In plg-i 4H4 



PyTenochxtn hcrgrvini, notes 44H 



Pyromucurlc acid, cleavage by mold enzym.s. 503 



Pyrrhniiyge sp. . notes 557 



Pythiacystir cUrnphthma, notes 51, 749 



Pythium debaryanum, treatment, Wis 846 



Quack gra.ss— 



destroyer, analyses, N.Dak 697 



erad Icallon 738 



Quicklime — 



effect on solLs 127 



fertilizing value, W. Va S39 



Quince — 



blotch, notes 541 



leaf spot, description and treatment 650 



pear graft hy ])rld , descrlpt Ion 740 



Qninln— 



industry of Dutch East Indies 697 



use against fowl cholera 2«<6 



Rabbits- 

 breeding 874 



growth of 467 



Immunization against rabies 2s2 



Infection with avian tu1)erculosLs 1S3 



Rabies— 



immunization 2sl, 282 



infect ivlty of saliva during presymp- 



tomatlc stage 682 



organism, cult hat ion 79 



review of llterat ure 79 



Rachisia spiralis n.g. and n.sp., description .. * 351 

 Radiant cnerg}-. effect on plant processes. . 223,431 

 Radhtlon, nocturnal, meteorological condi- 

 tions affecting 211 



Radio-active — 



products in the atmosphere 619 



rays, researches with 202 



Rad lo-act Ivlty — 



effect on germination 131 



effect on growth of crops 224 



effect on vegetation 29,524,825 



Radish root maggots, remedies, N.J 355 



Radishes, fertilizer experiments 821 



Radium manufacture waste, fertUl/lng 



value S21 



RafTinoso, determination in sugar lieeta 812 



Railroad — 



sanitation, notes 882 



ties, production In Canada 744 



Rain— 



chlorin content 418, 620, sis 



gage, "Seathwaitc" pattern lis 



gages, accuracy 17 



nitrogen content ?1 1, 815 



