360 



tlie margins and sides of the segments pale yellow ; venter less widely 

 spread with black. 



Length to tip of abdomen, 3 millimeters. Width of pronotum, 1 milli- 

 meter. 



Inhabits the summits of high moiiutaius in Colorado. Collected by 

 Lieutenant Carpenter, July 19 to September 6. Also, at Eagle River, 

 Colorado, in August, and at Denver in June. 



This is a very variable little insect, which is not confined to the region 

 of the Eocky Mountains, but which has been found likewise in Texas, 

 in British Columbia, Canada, and ]^ew England. 



Jassus, Germar. 

 J. laetus. New sp. auctor. 



Greenish-yellow, moderately long and slender. Head sublunate, a 

 little peaked at the tip of vertex, the central line incised and a little 

 impressed on the middle, each side of this with a short, oblique impres- 

 sion, a large black dot occupies each side of the middle, and two minute 

 fuscous ones are at the tip; face pale, marked with black dots against 

 the eyes, and with two black, arcuated lines superiorly, placed on each 

 side of the middle ; front faintly striated with brown each side and 

 above, the sutures, and sockets of the antennse also black. Prono- 

 tum larger than the head, arcuated in front, slightly sinuated on the 

 posterior margin, minutely wrinkled, transversely impressed on the mid- 

 dle behind the anterior margin, and Avith an impressed dot exterior to 

 this ; an impressed, oblique line placed still nearer to the lateral margin. 

 Scutellum depressed on the middle, with an arcuated, impressed, short 

 line each side, and a very slender, incised line behind the middle; the 

 base with a black dot each side, extending partly beneath the pronotum. 

 Legs yellow, the beds of the spines, the nails, and the tips of tarsal 

 joints piceous black. Hemelytra yellowish-hyaline, the costal margin 

 broadly thickeuedj minutely scabrous; nervures thick and very distinct, 

 the areoles long and narrow, the outer one at apex shortest, composed 

 of a short triangle at base and a longer one at tip. Tergum black at 

 base and beyond, omitting the sides and three last segments; venter 

 greenish-yellow, the basal incisure, a spot upon the second segment, the 

 ovipositor, and the impressed inner angles of the connexivum black. 



Length, 4 millimeters. Width of pronotum, IJ millimeters. 



Collected by Lieutenant Carpenter in the high mountains of Colorado, 

 from June 19 to September 6. 



Some specimens have the black of the face, the pleura, and the abdo- 

 men more widely extended, and causing them to have a blackish ap- 

 l)earance. 



Deltocephalus, Burm. 

 D. dehilis. l^esv sp. 



Bright grass-green, short and stout. Head, forepart of pronotum, and 

 the scutellum whitish-green. The head triangular, longer than the pro- 

 notum, with the sides a little arcuated, the tip a little curved upward ; 

 cranium depressed, the median line incised; each side at base with a 

 short impressed line ; eyes continuous with the lateral line of the head, 

 margining the pronotum almost to its base ; front stained with black 

 above and on each side, and in which are indications of striated lines; 

 cheeks almost as wide as the eyes, black at base, the tip of labrum 

 piceous, and the anteunte infuscated at base. Pronotum lunate, the 

 surface a little wrinkled transversely, with a few indented points each 



