Apr. 6-June 28, 1924 
Index 
1269 
Page 
Rands, R. D.: Snails as Predisposing Agents 
of Sugar Cane “Root Disease” in Louis¬ 
iana. 969-970 
Ransom, B. H.: Ascaris Sensitization. 577-582 
Rations— 
steer, winter and summer, composition and 
amount.. 1217-1218 
succulent, comparison with dry rations for 
steers-- 1231 
winter, of steers, effects on pasture gains 1215-1232 
Rats— 
feeding- 
experiments with cottonseed kernels or 
gossypol. 174-186 
with gossypol, experiments.176-186 
growth on feed containing gossypol_179-185 
Reddy, C. S., Godkin, James, and Johnson, 
A. G., Bacterial Blight of Rye. 1039-1040 
Reed, H. S. f and Haas, A. R. C.: Some Rela¬ 
tions Between the Growth and Composi¬ 
tion of Young Orange Trees and the Con¬ 
centration of the Nutrient Solution_ 277-284 
Reforestation activities, relation to environ¬ 
mental conditions. 845,846,895 
Reproduction, forest- 
after logging in northern Idaho, factors af¬ 
fecting. 1149-1157 
injury by grazing and other causes_1145-1146 
Bhagoletis pomonella — 
larval development.-. 1-21 
metamorphosis._. _.21-30,32 
See also Apple maggot; Maggot, apple. 
Bhizoctonia brown rot of strawberries, de¬ 
scription, and inoculation of fruit. 643-645,647,648 
Bhizopertha dominica, control in chick-peas. 649,658 
Bhizopus nigricans , presence in cottonseed... 286 
Bibes spp.— 
eradication, effect on pine infection by 
blister rust, survey. 1253-1258 
spread of blister rust to pines. 1253-1255,1257 
Rice weevil, resistance to high and low tem¬ 
peratures. 1043 
Roberts, John W., and Dunegan, John C.: 
The Fungus Causing the Common Brown 
Rot of Fruits in America. 955-960 
Rogues, pea, crosses, results. 1247-1252 
Root disease, sugar cane, relation to snails.. 969-970 
Roots, young orange trees, composition..282,283 
Rose, Dean H.: Leather Rot of Strawber¬ 
ries... 357-376 
Rot— 
blue mold, citrus fruits, prevention, results 
of borax treatment. 961,968 
brown- 
history of fungus in Europe and America. 955-960 
of fruits in America, fungus causing_ 955-960 
leather- 
strawberry. 357-376 
strawberry, range and relation to rain¬ 
fall. 366-371 
onion bulb, cause, and relation to environ¬ 
ment. 683-694 
Rots— 
brown, of strawberries. .. 643-648 
Phytophthora, literature.—. 374-376 
strawberry— 
fruit.. 643-648 
percentage of leather rot to other_ 371-372 
Bubus spp., infection with orange rusts.. 1045-1058 
Rust- 
blister, infection of pines at Kittery Point, 
Me., and Bibes eradication_ 1253-1258 
grass, inoculation experiments.. 541-543 
mallow, characteristics__ 1045,1053 
mayapple, Pucctnia podophylli, expulsion of 
aecidiospores.. 923-926 
orange- 
on blackberry, uninudeated aecidiospores 
1045-1058 
short-cycled, promycelia, characteristic 
features.... 1049-105 
stem, resistance of oat varieties. 705-720 
Rusts— 
cereal— 
literature. 718-719 
literature relating to. 547-548 
physiological races, investigations and 
discoveries. 705 
frrflfn. litpratiira 
Page 
Rusts—Continued. 
leaf, of rye and barley, aecial stages_1119-1126 
orange, blackberry infection... 1045-1058 
Rye- 
bacterial blight. 1039-1040 
brittle straw and other abnormalities_169-172 
cell thickness. 173 
culms, normal and brittle, analysis- 170 
inbred strains, abnormalities.. 169 
leaf rust, Puccinia dispersa, aecial stages 1119-1126 
wild, giant, indicator of land value.. 107,120,124 
Sacaton, indicator of land value.106, 
118,119,124,125 
Sage varieties, indicators of land value-100-113, 
117-126 
Sagebrush, indicator of land value 101,108,117-126 
Salt content of cotton fiber. 293-295 
Salt bush,narrowleaf, association on South¬ 
western desert soils... 759-761,796-799 
Saltgrass, association on southwestern desert 
soils__.... 761-763,796-799,800 
Salts, wheat nutrition. 387-393 
Samphire, indicator of land value.. 111, 
118,121,122,125,126 
Sando, Charles E.: The Isolation and Identi¬ 
fication of Quercetin from Apple Peels. 1243-1245 
Sap— 
cell, density, relation to environmental 
conditions in the Wasatch Mountains, 
Utah.. 845-907 
concentration- 
relation to osmotic phenomena. 846-847 
seasonal variations. 888-892 
density- 
determination, technique. 849-851 
of plants in Wasatch Mountains_ 860-884 
orange leaf, concentration and reaction, 
relative constancy.*. 277 
Satsuma oranges— 
susceptibility to— 
citrus canker. 229-230 
citrus scab. 248 
Sausage tree, African, host of Heterodera 
radicicola .. 1061 
Sax, Karl, and Gaines, E. F.: A Genetic and 
Cytological Study of Certain Hybrids of , 
Wheat Species.1017-1032 
Scab- 
citrus— 
epidemic in Alabama, conditions essential 
for... 249,253 
relation to environmental factors. 241-254 
yearly prevalence, conditions determin¬ 
ing. 249-250 
pecan— 
and sources of early spring infections.. 321-330 
description, on leaves, nuts, twigs, cat¬ 
kins, and buds. 322-324 
infection source and control measures. _ 324-328 
Schwartze, Erich W., and Alsberg, Carl L.: 
Pharmacology of Gossypol..191-198 
Relation Between Toxicity of Cottonseed 
and its Gossypol Content.173-189 
Sclerotinia— 
cinera , fungus causing brown rot of fruits 
in America.. 955-960 
fructicola, same as Sclerotinia cinerea . 959 
spp., measurements of asci and ascospores.. 957 
Scofield, C. S., and Kearney, Thomas H.: 
The Salt Content of Cotton Fiber_ 293-295 
Seed— 
coat, permeability gradient to iodin_ 225-226 
coats, wheat, means of protection of embryo 
from hot-water injury..86-89 
cotton— 
comparisons. 950-952 
germination.. 285-292 
soaking— 
effects, general. 489-490 
literature referring to.. 496-497 
western white pine, fall sowing and delayed 
germination.. 1127-1131 
Seedlings— 
Douglas fir, survival under different cutting 
systems. 1234-1235 
orange, growth and composition, effect of 
concentration of nutrient solution_ 278-279 
Seeds— 
composites, infestation with Tylenchus 
dinar* ri 
