INDEX 
Page 
Aamodt, O. S., and Stakman, E.' C.: The 
Effect of Fertilizers on the Development 
of Stem Rust of Wheat. 341-380 
Acala Upland cotton, comparisons with 
others. 277-320 
Acetylene, effect on coloration of lemons. 759 
Acidity— 
apples, changes during storage. 18-21 
cell sap, daily periodicity. 125-128 
changes— 
in wheat, relation to stem-rust resistance 725-735 
produced by growing seedlings in acid 
solutions. 207-217 
Egyptian and Upland cottons and hybrids. 286, 
295-298,305.307.314.316 
plants, relations to photoperiodism.. 122-125 
relation to germination of Urocystis tritici. 467-468 
wheat, change during growth and develop¬ 
ment, studies. 726-731 
Acid phosphate, effect on wheat stem rust, 
experiments. 346-359,362-370 
Acrostalagmus albus , similarity to Cephalos- 
Porium acremonium . 190,192 
Adjusting Yields to Their Regression on a 
Moving Average, as a Means of Correcting 
for Soil Heterogeneity: Frederick D. Richey 79-go 
Aecidiospore Discharge as Related to the 
Character of the Spore Wall: B. O. Dodge 749-756 
Alkali land, reclamation possibilities.652-660 
Alkalies, effect on fibers. 247-248 
Allard, H. A., Gamer, W. W., and Bacon, 
C. W.: Photoperiodism in Relation to Hy¬ 
drogen-Ion Concentration of the Cell Sap and 
the Carbohydrate Content of the Plant.. 119-156 
Altemaria genus, description.699-701 
Alternaria malt— 
morphological characters.699-708 
technical description and variation. 701-707 
Aluminium, com plant, determination and 
distribution. 850-858 
sulphate, beneficial effects on soils.667-687 
Amboceptor, antisheep, in blood of fowls.. 709-715 
Anatomy, sweet potato root, and internal 
breakdown. 157-166 
Anchorage and Extent of Com Root Systems: 
James R. Holbert and Benjamin Koehler.. 71-78 
Animals, spread of wheat nematodes.944-947 
Antisheep amboceptor and complement in 
blood of fowls... 709-715 
AnuraPhis bakeri . 5*4 
Apateticus bracieatus, enemy of Argus tortoise 
beetle. 49 
Aphididae, migration and sexual forms, rela¬ 
tion to length of day. 513-522 
Aphids— 
boxelder, life history. 517 
clover, development, relation to temperature 514 
migration, relation to length of daylight. 513-522 
sexual forms, appearance, relation to length 
of light exposure. 513-522 
A Phis forbesi, life history, notes. 513-521 
green, apple, life history, notes. 516-517 
Pomi. See aphis, green, apple. 
rosy apple, life history, notes-515,518,519,521 
rumicis, development relation to tem¬ 
perature . 515 
sorbi. See Aphis, rosy, apple. 
viburnicola life history, notes. 519 
woolly, apple, swellings caused on apple 
trees.696-697 
Apianobacter — 
spp., comparison with Bacterium gum - 
misudans . 228 
stewarIt, inoculation of com seed, experi¬ 
ments and results. 198-202 
Apple— 
leaves, spotting caused by Alternaria 
mali . 699-707 
roots, cultures of Roesleria hypogaea .611-613 
stem-tumor, comparison with crowngall 695-698 
Page 
Apple Stem-Tumor Not Crowngall, An: 
Nellie A. Brown..695-698 
Apples— 
acidity, changes during storage. 18-ax 
coating, effect on ripening processes of 
fruit.23-31,34 
respiration of coated and normal fruits, 
measurements. 24-31 
ripening, changes on the tree and in storage. 1-23 
softening in storage, effect of tempe rature.. 12-18 
storage, physiological studies. x-38 
Archibald, J. G.: The Effect of Sodium Hy- 
droxid on the Composition, Digestibility, 
and Feeding Value of Grain Hulls and other 
Fibrous Material...... 245-265 
Argus Tortoise Beetle, The: F. H. Chitten¬ 
den. 43-52 
Arizona, Sacton Testing Station, cotton breed¬ 
ing experiments. 330 ^ 33 * 
Arlington Experiment Farm, wheat varieties, 
testing with flag smut.428,431,435“447 
Artiemisia tridentata .897-903 
Artschwager, Ernst: 
On the Anatomy of the Sweet Potato Root, 
with Notes on Internal Breakdown— 157-166 
Studies on the Potato Tuber.809-836 
Ascaris lumbricotdes, eggs— 
effect on low temperatures and disinfec¬ 
tants... 167-175 
exposure to disinfectants. 17° 
resistances to freezing temperatures. 167-X70 
Association of Manganese with Vitamins, 
The: J. S. McHargue.417-424 
Atriplex confertifolia .906-907 
Australia, wheat flag smut, occurrence and 
importance...425,426,451 
Bacon, C. W., Gamer, W. W., and Allard. 
H. A.: Photoperiodism in Relation to Hy¬ 
drogen-Ion Concentration of the Cell Sap 
and the Carbohydrate Content of the 
Plant. 119-156 
Bacterial Blight of Gladioli, A: Lucia McCul¬ 
loch. 225-230 
Bacterial diseases, comparison with gladiolus 
blight. 228 
Bacterium — 
gummisudans — 
cause of blight of gladiolus. 226-229 
technical descriptions. 229 
tumefaciens cause of apple crowngall.695-698 
Bailey, Vernon: Breeding, Feeding, and Other 
Life Habits of Meadow Mice. 523-536 
Barber, George W.: The European Com Borer, 
Pyrausta nubilalis Hbn., versus the Com 
Earworm, Heliothis obsoleta Fab. 65-70 
Barberry, infection with wheat stem rust.... 347 
Bard, California, irrigation waters, etc. 680 
Barfoed’s test for monosaccharids.606,607 
Barley- 
infection with wheat galls nematode. 934~935 
rust, infection, relation to ferilizers. 349 
aecidiospore discharge, studies. 749*756 
Bean weevil, cold storage, insecticidal, effect. 99-105 
Beaudette, F. R., and Bushnell, L. D.: Natu¬ 
ral Antisheep Ambroceptor and Comple¬ 
ment in the Blood of Fowls... 709-7*5 
Beckwith. Angie M.: The Life History of the 
Grape Rootrot Fungus Roesleria hypogaea 609-6x6 
Beetle. Argus tortoise. 43“52 
Belle Fourche Experiment Station, irrigation, 
soils samples.630-631 
Bibliography— 
cotton fertilization. 340 
desert vegetation.922-925 
field mice.... 534“535 
fungi of apple, etc. 707-708 
grapevine diseases. 615-616 
irrigated soils.692-693 
maize breeding. 596 
pholoperiodism. 155-156 
521 — 25 t- 
(965) 
