ILLUSTRATIONS. 

Via. 1.—Bagworm (Thyridopteryx ephemeraformis) ..-.--..-----.----.-------- 
2.—Bagworm; successive stages of growth ...-.....---.---------------- 
3.—The imported elm leaf-beetle (Galerucella luteola) ....--.------------ 
4.—White-marked tussock moth ( Orgyia leucostigma)...--.-------------- 
5.—Tussock-moth caterpillar, first three stages. ----- pe She eS ace ae eee 
6.—Tussock-moth caterpillar, last stages......-..-..----.--------------- 
7.—Silver maple leaves eaten by larvie of white-marked tussock moth 
IMNSWCOGSSIV.C StAG EBs erate aeaiat oie ee eye aes eee ae oe eee ee 
8.—Ichneumonid parasites of tussock-moth caterpillar ..-........--.---- 
9.—F all webworm ( Hyphantria cunea), moths and cocoons. .------------- 
10.—Fall webworm, forms of larva.and pupa. .....--..----.---. ----.-----. 
11.—Fall webworm, latvavand web-222 22.02 2.02223 326 ct aieecis ares 
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