358 



entirely red above. Blackberry-bushes and low shrubs are its favorite 

 resorts, on which it may often be seen in considerable numbers during 

 the summer. 



2. D. novehoracensis. 



Aulacises novehoracensis, Fitcli, 1. c. 56, No. 2. 



Inhabits the vicinity of East Eiver, Colorado, August 29. 



Collected by Lieutenant Carpenter. It is common in many parts of 

 the United States north of Maryland, and it extends far north in 

 Canada and British Columbia. 



3. Z>. onollipes. 



Tettigonia mollipes, Say, Journ. Acad. Phila. vi, 312, No. 4. 



Aulacizes moUlpes, Fitch, 1. c. 56, No. 1. 



Inhabits Texas, Colorado, Mexico, and the southern part of the At- 

 lantic region. 



Tettigonia, Geoff. 

 T. Meroglyphica. 



Tettigonia Meroglijphica, Say, Jonrn. Acad. Phila. vi, 313, No. 6. 



Inhabits Texas, foot-hills and plains of Colorado) from August to 

 October (Lieutenant CarxJcnter), and the Atlantic region throughout. 



Gypona, Germ. 

 G. octolineata. 



Tettigonia octolineata, Say, Journ. Acad, Phila. iv, 340, No. 1. 



Inhabits foot-hills and plains of Colorado. Collected by Lieutenant 

 Carpenter. Also common in most parts of the Atlantic region. 



Subfamily JASSINA. 



CocHLORHiNUS. New gen. 



Form similar to that of RMphirMnus. Head long triangular, pro- 

 duced forward into a long tapering ligula, with the surface depressed, 

 the margins elevated, and the apex rounded. Superior cheeks sublu- 

 nate, inferior ones oval, acute at both ends ; front tapering superiorly 

 and subcylindrical, subconical inferiorly, its tip much wider than the 

 ligulate labrum. Ocelli situated on the margin in the suture between 

 the vertex and front. Eyes placed obliquely, bordering the pronotum 

 by most of their base, concave beneath, and bounded there by a deep 

 suture. Second joint of the antennas a little longer than the basal one. 

 Pronotum short, the anterior margin arcuated, the posterior margin 

 concave; posterior angles broadly rounded, the anterior ones almost 

 rectangular. Hemelytra of the female about the same length as the 

 abdomen, coarsely scabrous ; behind the middle is a thick anastomosis, 

 sending off stout branches on the costal and four longitudinal nerv- 

 ures; behind this are four long areoles, and beyond these are four short 

 and wider ones arranged around the apex ; the apex rounded, obliquely 

 slanting toward the inner angle. Basal joint of the hind tarsi fully as 

 long as the two others united. 



C. pluto. New sp. 



Form of Tettigonia hrevis^ Walker, but shorter, deep black, scabrous, 

 highly polished. Head produced into a spoon-shaped tip, round at the 



