482 Index. 



PAGE. 



Aphis mali, notes on 415 



Apple canker, distribution of 338 



extent of injury 341 



investigation 19, 321 



preventive measures 343 



diseases in Hudson valley 190 



notes on : 



belting of the fruit 403 



canker 399 



fire blight 400 



fly speck 400 



general treatment against 417 



leaf spot .^ 400 



russeting of the fruit 402 



rust 401 



scab 402 



scald 404 



sooty blotch 405 



insects, notes on : 



apple tree tent-caterpillar 407 



borers 406 



bud moth . . 408 



canker worms 410 



case-bearers 409 



cigar case-bearer , 409 



codling moth 412 



fall canker worm 410 



flat-headed apple-tree borer 406 



general treatment against 417 



green fruit worms 413 



maggots 414 



oyster -shell bark louse . . 416 



pistol case-bearer 409 



plant lice 415 



railroad worm 414 



round-headed apple-tree borer 407 



San Jose scale 416 



