724 
Journal of Agricultural Research 
Vol. XI 
Page 
Pig, infection by A scaris spp. 398 
Pine— 
knobcone. See Pinus attenuate. 
lodgepole. See Pinus murrayana. 
western white. See Pinus monticola. 
western yellow. See Pinus Ponderosa. 
white. See Pinus strobus. 
Pinus — 
albicaulis , reproduction from seed stored in 
forest floor.15-26 
attenuaia , reproduction from seed stored in 
forest floor. 25-26 
monticola , reproduction from seed stored 
in forest floor. 1-26 
murrayana , reproduction from seed stored 
in forest floor. 15-26 
ponderosa , reproduction from seed stored in 
forest floor. 15-26 
strobus , host plant of Cronartium ribicola .. 281-286 
Piper, C. V., and Shull, J. M. (paper): Struc¬ 
ture of the Pod and the Seed of the Georgia 
Velvet Bean, Stizolobium deeringianum.. 673-676 
Pisum spp.— 
genetic factors— 
effect of environment on expression of.. 171-173 
inheritance studies. 167-190 
interrelation. 167-190 
linkage in... 177 
Plantago purshii , effect of fungus fairy rings 
on. 229-237,239-240 
Plant breeding, technic in. 399-419 
Pluteus cirvinus, cause of fungus fairy rings.. 196 
Pneumonia, caused by Ascaris.397-398 
Podblight of the Lima Bean Caused by Dia- 
porthe phaseolorum, by L. L. Harter 
(paper). 473"5©4 
Poisoning, by Eupatorium urticaefolium _699,711 
Poolroot, syn. White snakeroot. 
Poolwort, syn. White snakeroot. 
Potassium— 
chlorid change in soil induced by. 539-541, 
543-544 
cyan id, permeability of leaves of Lycoper - 
sicon esculentum under influence of. 332 
Potato. See Solanum tuberosum. 
Potter, R. S., and Snyder, R. S. (paper): 
Decomposition erf Green and Stable Manures 
in Soil. 677-698 
Prairie, drained, run-off from. 247-279 
Protein, milk, results of estimation of hy¬ 
drolysis by ninhydrin method. 440 
Proteolysis, milk, influence of— 
chloroform on.440-441 
sodium chlorid on.441-443 
Pseudomonas avenae , disease caused by, com¬ 
parison with bacterial-blight of Hordeum 
spp. 627-628 
Pseudotsuga taxifolia, reproduction from seed 
stored in forest floor. 1-26 
Psoralea tennijlora, effect of fungus fairy rings 
on. 237 
Ptychodes trilineatus — 
biology. 372-380 
control.381-382 
distribution. 371 
food plant of. 371-382 
Page 
Ptychodes trilineatus —Continued 
habits. 372-380 
injuriousness.371-372 
life history.372-380 
Pyrethrum. See Chrysanthemum cinerariae- 
folium. 
Pyrogallol, estimation of oxidase in milk as 
shown by oxygen absorption of. 445 
Rainfall, relation to drainage...248-27 
Ransom, B. H., and Foster, W. D. (paper): 
Life History of Ascaris lumbricoides and Re¬ 
lated Forms.395-398 
Rathay’s disease of orchard-grass, comparison 
with bacterial-blight of Hordeum spp. 627 
Reactions of the Phosphorus of the Thickened 
Root of the Flat Turnip (paper).359-370 
Reddy, C. S., et al. (paper): Bacterial-Blight 
of Barley. 62 5-644 
Reproduction from seed stored in forest floor. 1-26 
Richweed, syn. White snakeroot. 
Rietz, H, L-, and Smith, L. H. (paper): A Sta¬ 
tistical Study of Some Indirect Effects of 
Certain Selections in Breeding Indian 
Com. 105-146 
Ritzman, E. G. (paper): Nature and Rate of 
Growth in Lambs During the First Year. 607-624 
Roark, R. C., and McDonnell, C. C. (paper): 
Occurrence of Manganese in Insect Flowers 
and Insect Flower Stems. 77-82 
Rod row tests— 
competition between adjacent rows.404-412 
technic in. 399-419 
value of replications for.412-417 
Rot, apple— 
apple-scald as source of.294-295 
relation to Jonathan-spot. 288 
Run-Off from the Drained Prairie Lands of 
Southern Louisiana (paper). 247-279 
Rust, white-pine blister. See Blister-rust, 
white-pine. 
Rye. See Secede cereale. 
Salts, soluble, movement through soils. 531-547 
Sambricus canadensis , reproduction from seed 
stored in forest floor.21-26 
Sanicle— 
Indian, syn. White snakeroot. 
white, syn. White snakeroot. 
Scald, apple. See Apple-scald. 
Schedonnardus panniculatus, effect of fungus 
fairy rings on. 239 
Schoening, H. W. (paper): Conglutination 
Test for the Diagnosis of Glanders.65-75 
Sclerotinia cinerea , relation of— 
apple-scald to infection by.294-295 
Jonathan-spot to. 288 
Secale cereale , bacterial disease of, resemblance 
to bacterial-blight of Hordeum spp. 629 
Seed in forest floor— 
reproduction from. 1-26 
viability. 1-26 
Serum- 
cow, titration.68^72 
horse, test of, in diagnosis of glanders.72-73 
mule, test of, in diagnosis of glanders.73*74 
