42 
BUL. 1199 (SUP. 3), U. S. DEPT. OF AGRICULTURE 
Aphids— Continued. 
subterranean, history and control, 
Ohio Bui. 3S7. 
Aphis gossypii, Me. Bui. 326. 
Aphis spiraecola, Fla. Bui. 174. 
Apotettix eurycephalus, Kans. Tech. Bui. 
17. 
Apple blotch — 
control, Tenn. Bui. 132. 
etiology and control, 111. Bui. 256. 
Apple canker, 111. Bui. 256. 
Apple cion, selection, Vt. Bui. 255. 
Apple industry — 
Massachusetts, Mass. Bui. 226, 228. 
New Hampshire, N. H. Bui. 223. 
Apple orchards — 
fertility, Pa. Bui. 192. 
fertilizer experiments, Me. Bui. 322 ; 
W. Ya. Bui. 203. 
honeysuckle eradication, Ya. Bui. 244. 
management, Yt. Bui. 255. 
Apple physiology, Wis. Res. Bui. 68. 
Apple pomace for dairy cows, Va. Bui. 243. 
Apple scab — 
control, Mass. Bui. 222. 
epidemiology and control, Wis. Res. 
Bui. 73. 
fungus, spore discharge, Del. Bui. 140. 
spraying material, Mich. Tech. Bui. 76. 
Apple seed, germination and storage, Iowa 
Res. Bui. 97. 
Apple tissue, phloridzin in. Oreg. Bui. 215. 
Apple trees — 
cambial activity, Calif. Hilgardia, Y. 
1, No. 5. 
effect of stock on cion, Mass. Bui. 226. 
grafting, Md. Bui. 278; Mich. Spec. 
Bui. 142. 
growth, composition, fruiting, Wis. 
Res. Bui. 68. 
perennial canker, Oreg. Bui. 217. 
pruning, Mass. Bui. 226 ; Minn. Bui. 
225; Wis. Bui. 378. 
root and crown injury, N. Y. Cornell 
Bui. 448. 
topworking, Md. Bui. 278. 
Apples — 
bearing, annual, and biennial, Mo. 
Res. Bui. 75. 
black rot, Mass. Bui. 222. 
blooming period and yield, Ohio Bui. 
385. 
breeding, 111. Bui. 275. 
changes during ripening and storage, 
Iowa Res. Bui. 91. 
composition of flowers and fruit, N. Y. 
Cornell Mem. 99. 
diseases. Ya. Bui. 245. 
fruit bud formation, N. H. Tech. Bui. 
29. 
hardiness, Minn. Tech. Bui. 42. 
pear leaf blister mite on. Utah Bui. 
197. 
Phyllosticta leaf spot, 111. Bui. 256. 
pressure tests, Wash. Bui. 193. 
spray injury, Mass. Bui. 222. 
Apples — Continued. 
spraying and dusting. Me. Bui. 325, 
333. 
storage, Iowa Bui. 230 ; Mich. Spec. 
Bui. 146; Wash. Buls. 193, 205. 
varieties, Mass. Bui. 226 ; Ohio Bui. 
391. 
varieties, yields. Yt. Bui. 255. 
Apricots, Monilia blossom blight (brown 
rot), Calif. Bui. 383. 
Archips argyrospila. (See Cacoecia argyro- 
spila.) 
Arkansas agricultural experiment station, 
report, 1925, 1926, Ark. Bui. 203, 215. 
Arsenical injury of fruit trees, N. J. Bui. 
419. 
Ascaris lumbricoides, studies, Nebr. Res. 
Bui. 37. 
Asparagus — - 
quality, after cutting, Calif. Bui. 410. 
seed, germination, Calif. Tech. Paper 
18. 
sex characters. Calif. Hilgardia, Y. 1, 
No. 9. 
Aspergillus niger, Calif. Bui. 387. 
Aspidiotus perniciosus, Mass. Bui. 226. 
Auction sales organization, Ky. Bui. 270. 
Avena sativa. (See Oats.) 
Avian cholera. (See Fowl cholera.) 
Avian diphtheria vaccines, Mass. Tech. Bui. 
10. 
Avian typhoid. (See Fowl typhoid.) 
Baby beef, feeding, Okla. Bui. 149. 
Babcock test — 
comparison with other methods, N. Y. 
State Tech. Bui. 122. 
(See also Milk, testing.) 
Bacillary white diarrhea — - 
control, Kans. Tech. Bui. 21 ; Md. Bui. 
274 ; N. J. Bui. 425 ; R. I. Bui. 204. 
(See also Bacterium pullorum.) 
Bacillus acidophilus cultures, effect on 
chickens, Calif. Hilgardia, Y. 1, No. 8. 
Bacillus amylovorus, Oreg. Bui. 214; Pa. 
Bui. 203. 
Bacillus atrosepticus, Mich. Tech. Bui. 67. 
Bacillus tuberculosis, avian, injection of cat- 
tle, Wyo. Bui. 140. 
Bacon, selection and use. Minn. Bui. 232. 
Bacteria — 
in Imhoff tank, N. J. Bui. 427. 
nodule, Wis. Res. Bui. 72. 
soil, N. Y. Cornell Mem. 103; N. Y. 
State Tech. Bui. 115. 
soil, effect on toxins, Ala. Bui. 225. 
spore forming on pasteurizing equip- 
ment, N. Y. State Tech. Bui. 119. 
Bacterial stalk rot of corn. Ark. Bui. 209. 
Bacterium abortum — 
infection in cattle, Conn. Storrs Bui. 
135, 137. 
longevity in calves, Calif. Hilgardia, 
Y. 1, No. 10. 
vaccination, Calif. Tech. Paper 19. 
(See also Abortion.) 
Bacterium hold. (See Pseudomonas holc-i.) 
