I s a- 
LIST OF papp:rs 
C’alyert (Philip P.) 
Ctoinphus dilatatus, vastus and a Xew Species, line- 
atifrons (Odonata) 221 
(Issued December 27, 1921.) 
('resson (E. T., Jr.) 
Studies in American Ephydridae (Diptera). III. A 
Pevision of the Species of (iynmopa and Allied ( ienera 
constituting the Subfamily Gynmopinae. . . . 325 
(Issued March 1.5, 1922.) 
Dietz (\V. G.) 
A List of the Crane-flies taken in the Vicinity of Hazle- 
ton, Pennsylvania (Diptera) 233 
(Issued December 29, 1921.) 
I'ALL (H. C'.)' 
The North American Species of Gyrinus (Coleoptera) . 269 
(Issued February 14, 1922.) 
Hebard (AIoroan) 
Studh's in the De'rmaptei'a and Orthoptera of Gol- 
ond)ia. Second Paper. Di'rmaptera and Orthopterous 
I'amilies Blattidae, (Mantidae and Phasmidae . . 107 
(Issued August 11, 1921.) 
Mexican Pecords of Blattidae (Orthoptera) . . . 199 
(Issued December 27, 1921.) 
The Janeirensis Group of the Genus Euborellia, with 
the Description of a Xew Species (Derniaptera) . 319 
(Issued March 3, 1922.) 
Parsiiley (H. ]\r,) 
hlssay on th(' American Sjiecies of Aradus (Hemi])t(M'a) . 1 
(Issued April 9, 1921.) 
