CONTENTS 



Dermaptera and Orthoptera from the State of Sinaloa, 

 Mexico. Part I. Dermaptera and Non -Saltatorial 



Orthoptera. By Morgan Hebard 157 



(Issued January 2, 1923.) 



The Bassett Types of Cynipidae (Hymenoptera). By 



E. T. Cresson, Jr 197 



(Issued January 2, 1923.) 



A New Species of Hesperiidae (Lepidoptera, Rhopalocera). 



By E. L. Bell 205 



(Issued January 2, 1923.) 



The Genitalia of Male Diptera and Mecoptera Compared 

 With Those of Related Insects, from the Standpoint 



of Phylogeny. By G. C. Crampton 207 



(Issued January 12, 1923.) 



Flies of the Anthomyiid Genus Phaonia Robineau-Desvoidy 

 and Related Genera, Known to Occur in North 



America. By J. R. Malloch 227 



(Issued January 12, 1923.) 



