INDEX 
Page 
Abortion— 
bovine, infections, immunology, studies. 
By J. M. Buck and Q. T. Creech_ 607-642 
infections— 
infection through injection of infected 
material.......... 620,621 
of cattle, immunology, studies and experi¬ 
ments...... 607-642 
Acala cotton- 
growing and characters, comparisons. 938-952,954 
spacing experiments in Southern Cali¬ 
fornia. 1081-1093 
Acid, production by Bacillus larvae _153-155 
Acromania, cotton disease. 803-828 
Aecidiospores— 
expulsion by the mayapple rust.. 923-926 
uninucleated, in Caeomanitens.. . 1045-1058 
Agglutination, tests for infectious abortion 
in cattle.. ..613-614,617-620 
Alabama, climate, comparison with Japan.. 244-253 
Alaska spring wheat, crosses with vtUgare 
species, studies of results.. 1018-1031 
Aldous, A. E., and Shantz, H. L.: Types of 
Vegetation in the Semiarid Portion of the 
United States. __ 99-128 
Alfalfa, wild, indicator of land value. 101 , 
103,117,119 
Alfileria, susceptibility to curly-top.. 314 
Alimentary canal, bee larva. 1184-1188,1206 
Alkali salts, Tempe, Ariz., chemical analy¬ 
ses. 726 
Alkaloids, insecticidal value... 400 
Allen, Ruth F., and Mackie, William W.: 
The Resistance of Oat Varieties to Stem 
Rust........... 705-720 
Allison, F. # E.— 
Chemical and Biological Studies with 
Cyanamid and Some of Its Transforma¬ 
tion Products. 37-69 
Greenhouse Experiments with Atmos¬ 
pheric Nitrogen Fertilizers and Related 
Compounds.. 971-976 
The Effect of Cyanamid and Related Com¬ 
pounds on the Number of Microorgan¬ 
isms.. 1159-1166 
The Nitrification of Phosphorus Nitride.. 1117- 
1118 
Alsberg, Carl L., and Schwartze, Erich W.: 
Pharmacology of Gossypol...191-197 
Relation Between Toxicity of Cottonseed 
and its Gossypol Content..173-189 
Amby wheat, crosses with emmer species, 
studies.. 1019-1031 
Ammonia- 
determination in nitrogenous materials.. 527-539 
nitrogen, determination method. 41^2 
Ammonium sulphate- 
effect on numbers of bacteria in soil.... 1160,1161 
nitrification rates, comparisons. 43, 
54-56,58-60,65 
Analysis- 
methods for meats... 339-341 
rye culms, normal and brittle. 170 
Anatomy, apple maggot... 1-36 
Anchusa spp., hosts of Puccinia dispersa , 
and infection methods. 1119-1124 
Ancylostoma caninum , occurrence in foxes... 331 
Anderson, M. S.: The Heat of Wetting of Soil 
Colloids... 927-935 
Angoumois grain moth, wheat infestation... 1107, 
1108,1115 
Animals— 
immunization experiments for bovine abor¬ 
tion, detailed records...— 621-642 
meat, edible viscera... 339-346 
undergoing gossypol poisoning, metabo¬ 
lism. 192-194 
Antelope brush, indicator of land value_ 109, 
118,122-126 
Anthelmintic experiments with foxes. 331-337 
96531—25t-2 
- Page 
Anthelmintics, literature... 337 
Antimony, insecticidal value__ 395,396 
Apdenckus ritzemabosi , description and oc¬ 
currence on chrysanthemums. 1061-1062 
Apple— 
blackrot— 
fungus... ___* 583-488 
review of work. 589-590 
maggot, anatomy and metamorphosis_ 1-36 
peels, quercetin isolation and identifica¬ 
tion. 1243-1245 
Arizona— 
cottons— 
comparison. 938-954 
leaf-tissue fluids, chlorid content deter¬ 
mination... 695-704 
Gila Valley, physiography, soils, and 
vegetation....... 724-725,728-730 
Arkansas, strawberry leather rot. 368-371 
Arlington Experiment Farm, wheat-rye 
hybrids. 567-568,573-575 
Arrowweed, association with saltbush in 
Southwestern desert soils_ 770-772,795-799,800 
Ascarids, control in foxes... 334-337 
Ascaris— 
horse, toxicity... 577-582 
lumbricoides, toxicity... 577-582 
sensitization...... 577-582 
Ascaron, active principle of Ascaris... 579 
Ascigerous stage of Fusarium moniliforme, 
andsynonomy... 909-922 
Ash- 
constituents in meats. 340 
lumber, steaming for control of powder- 
post beetle.... 1033-1038 
Aspen, indicator of land value.116,118,123-125 
Atriplex — 
fasciculata , on southwestern desert soils.... 778 
Untiformis, indicator of land value.113,122 
Avena spp., inoculation with stem rust, tests 
of resistance. 706-709 
Bacilli, causes of foulbrood.129-168 
Bacillus — 
alvei , discovery and relation to foulbrood. 131-133 
aromatic, new species from dairy wastes. 275-276 
brandenburgiensis , same as Bacillu* larvae. 132,133 
larvae— 
biochemical reactions, sup¬ 
plemental studies... 150-157 
growth in cultures, relation to sugar con¬ 
centration... 135-141 
Back, E. A., and Cotton R. T.— 
Effect of Fumigation Upon Heating of Grain 
Caused by Insects... 1103-1116 
Effective Use of Hydrocyanic-acid Gas in 
the Protection of Chick-peas Warehoused 
in 240-Pound Sacks__ 649-660 
Relative Resistance of the Rice Weevil and 
the Granary Weevil to High and Low 
Temperatures.. 1043-1044 
Bacteria— 
cottonseed samples, effect on germination. 286 
soil, numbers, effect of cyanamid and re¬ 
lated compounds_ 1159-1166 
Bacterial leafspot of Delphinium... 261-270 
Bacterium- 
abortus cultures, use as vaccine to prevent 
abortion.. 609-620 
delphinii , morphology, cultural characters, 
and description. 264-269 
flaccumfaciens , cause of bean wilt. 490 
phaseoli, cause of bean blight. 490 
sanguinarium, morphology. 75-76 
translucens, cause of bacterial blight of rye. 1039 
Barberry, infection with Puccinia graminis 
poae , and spread of rust.. 541-542,547 
Barium— 
carbonate, insecticidal value.. 395,396 
oxalate, insectidal value. 395-396 
1259 
