Index. 483 



Apple insects, notes on — (Continued). page. 



scale insects 416 



spring canker worm 410 



woolly louse 415 



Apples, thinning, notes on 17 



Apricot diseases in the Hudson valley 193 



notes on : 



fruit-rot 418 



gumming 418 



leaf-spot 418 



insects, notes on : 



curculio 418 



San Jose scale 416, 418, 449 



Arsenate of lead, formula and preparation 310 



Arsenic, white, an adulterant of Paris green 243 



Arsenical sprays for forest tent-caterpillars 310 



Aspidiotus perniciosus, notes on 416, 449 



Assistants, student, selection , 7 



B. 



Bacillus amylovorus, notes on 400, 443 456 



Bacterial rot of onions 169 



Bacteriological Department, report 126 



work of , summary 21 



tests of pasteurized milk 141 



Baldwin fruit-spot, study of 176 



Beet sugar, leaf scorch of 154 



Beetle, striped. (See Striped beetle.) 



Bibliography of forest tent-caterpillar 313 



Birds feeding upon forest tent-caterpillar 307 



Black Death, composition of 244 



Black knot, cherry, occurrence 196 



grape, occurrence 207 



plum, occurrence 211 



Black rot, grape, occurrence. . 205 



Blackberry diseases in the Hudson valley 194 



notes on : 



anthracnose 419 



