714 inves, | Wace oe - 
Apple, scab, 341-847. 
treatment of, 845. oe 
trees, time of ripening influenced by locality, 675. ak 
varieties of the, J20-532. ; ae ; 
Apples, bitter-rot of, 848-350, - a 
Arsenious acid experiments, 50, : ih 
Arseniureted hydrogen experiments, 4% 9 
Asclepias cornuti, 307. 
Ash-gray Leaf-bug, 84, 
notes on life history, 163. 
Asperset, 301, 303, 304. ; ane 
Aspidiotus aurantii, 124 . 
perniciosus, 124. 
rapa, 143, 144, 146, 146. ee 
ATKINSON, Professor, kerosene emulsion for Chinch Bug, 81. “ 
B. 
BAILEY, VERNON, report of investigations in Minnesota and Dakota, 426-454. 
Barley, acreage, product, and value, 1886, by States, 558. . 7 ¥ 
price per bushel, 1886, by States, 560. i ; 
yield per acre, 1886, by States, 560. . 
BATEMAN, ALFRED EDWARD, London, England, acknowledgment of service of, 603. 
Beer, cloudy, 197. 
Beers, detection of adulteration of, 192. 
mineral additions to, 196. 
preserving agents of, 195. 
samples of, for analysis, 190. 
: wines and ciders, composition of, 183. 
Beets, rust of, 350-353. i 
Bibliography, apples, 348-350. 
on apple scab, 347. 
beet rust, 353. 
leaf rust, 355. 
strawberry blight, 340, 341. 
Bicarbonate of soda, added to beer, 196. 
Bird poisoning, experiments in, 423-428. 
Birds feeding on Codling Moth, 94. 
Bisulphide of carbon, experiments for Scale-insects, 124, 125. 
Bitter-rot of grapes, 524-527. 
Blackberry, anthracnose of, 357-361. 
Blackbirds, 428-431, 454. 
and Gophers, depredations of, in northern Iowa and southern Minne- 
sota, 454-456. 
Black-capped Titmouse feeding on Codling Moth, 94. 5 
Black-rot fungus, 326. : 
injury to vines in different States, 324. 
Black scale, 124. 
spot on rose leaves, 366-369. 
BLENK, VAN E., Berlin, Germany, acknowledgment of services of, 604. 
Blister Beetles, injury done in Iowa, 161. 
Bobolink, 431. 
Bop1o, Luicur, Rome, Italy, acknowledgment of services of, 603. 
Bogus Chinch Bugs, 83. 
Borax, ifs use as a preservative, 196. 
Botanist, report of, 301-321. 
Botany, Division of, work of, 26. 
Brazil nut, tree of, 677. 
Brewing, the process of, 185-186. 
BRUNER, L., report on the season’s observation in Nebraska, 164, 
work in 1887, 50. 
Buckwheat, aereage, product, and value, 1886, by States, 558. 
price per bushel, 1886, by States, 561. 
yield per acre, 1886, by States, 561, 
Buffalo gnat, investigation, 49. 
Bureau of Animal Industry, clerical work of, 481. 
operations of, 457. 
