11 LIST OF PAPERS 



A New Central American Genus and Species of the 

 Group Blattellites (Orthoptera; Blattidae; Pseudo- 



mopinae) 303 



(Issued September 25, 1919.) 



See Rehn and Hebard. 



HUTSON (J. C.) 



The North American Species of the Genus Scehphron 



(Hymenoptera) 203 



(Issued October 8, 1919.) 



Rehn (James A. G.) 



Descriptions of New and Critical Notes upon Previ- 

 ously Known Forms of North American Oedipodinae 

 (Orthoptera; Acrididae). First Paper 229 



(Issued October 8, 1919.) 



Rehn (James A. G.) and Hebard (Morgan) 



A New Species of Grasshopper of the Genus Chloealtis 



(Acridinae) from the Pacific Slope 81 



(Issued April 16, 1919.) 



