﻿COMTEMTS. 



Page. 

 The Life Histories of the New York Slug Caterpillars By Harrison G. Dyar 



and Miss Emily L. Morton, 14c 



On the Probable Origin, Development, and Diffusion of North American Species of 



the Genus Diabrotica. By F. M. Webster, 158 



Final Note on the Platypterygidae. By A. Radcliffe Grote, 166 



ANewDatana. By Harrison G. Dyar, . 167 



Schrank's Genera. By A. Radcliffe Grote, 168 



Early Stages of Some Bombycine Caterpillars. By A. S. Packard, . . 175 



Preliminary Hand -Book of the Coleoptera of North-eastern America. By H. F. 



WlCKHAM [to de continued), . 180 



Correction of a Misidentification of Attacus Splendidus. By Harrison G. Dyar, 191 



Local Entomological Notes, ... 192 



Egg Capsules of Chrysochus Auratus. By J. L. Zabriskie, 192 



OF THE 



Helm ^orh Wntontcrlo^iir^l ^^ctjeig^ 



Published quarterly for the Society. Will contain about 200 pages per 

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 Journal should be sent to the editor, Wm. Beutenmiiller, 931 Park Ave., 

 and all subscriptions to the Treasurer, Mr. C. F. Groth, 139 East 40th St., 

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