CONTENTS 



Studies in the Group Ischnopterites (Orthoptera, Blatti- 



dae, Pseudomopinae) . By Morgan Hebard 337 



(Issued November 15, 1916.) 



New Eastern Anthomyiidae (Diptera). By O. A. 



Johannsen ......•• 385 



(Issued November 20, 1916.) 



New Species of Hymenoptera of the Superfamily Sphec- 



oidea. By Clarence E. Mickel .... 399 

 (Issued December 15, 1916.) 



^f 



