CONTENTS 



The Genus Gargaphia Stal (Tingidae; Heteroptera) . By 



Edmund H. Gibson 187 



(Issued July 23, 1919.) 



The North American Species of the Genus Scehphron 



(Hymenoptera). By J. C. Hutson 203 



(Issued October 8, 1919.) 



Descriptions of New and Critical Notes upon Previously 

 Known Forms of North American Oedipodinae 

 (Orthoptera; Acrididae). First Paper. By James 

 A. G. Rehn 229 



(Issued October 8, 1919.) 



New Genera and Species of Melanopli found within the 

 United States (Orthoptera; Acrididae). Part II. 

 By Morgan Hebard 257 



(Issued September 25, 1919.) 



A New Genus and Species of Roach from the United States 

 and Tropical North America (Orthoptera; Blattidae; 

 Panchlorinae). By Morgan Hebard .... 299 



(Issued September 25, 1919.) 



A New Central American Genus and Species of the Group 

 Blattellites (Orthoptera; Blattidae). By Morgan 



Hebard 303 



(Issued Septemher'25, 1919.) 



