101 



slightly silicate. Proiiodim moderately compressed on tlic sides, sliglitlv 

 constricted in the middle ; the three carinre distinct, the lateral converjjinff 

 in front, diverging posteriorly ; the median stnaiglit on top, rather prominent, 

 cut by a cross incision a little in advance of the middle; the interspaces of 

 the disk slightly ascending toward the median carina; the angle of the front 

 border very obtuse, scarcely apparent ; the posterior extremity about right- 

 angled or slightly obtuse. Antennfe short, thick, somewhat flattened, and 

 slightly enlarged towai'd the apex ; joints short. Elytra and wings passing 

 the abdomen. Cerci of the male rather longer than usual. ^ 



Color (dried after immersion in alcohol). — Testaceous-brown, varied 

 with olive or purplish. Face pale-olive or purplish, varied with light and 

 dark shades ; cheeks and vertex brown ; a very narrow yellow line runs from 

 the hind border of the eye to the lateral carinas of the pronotum. Pronotum 

 testaceous, the anterior lobes being darkest; sides brown on anterior half, rest 

 olive or pale-purple ; disk of the male dark-brown ; in the female the mar- 

 gins are striped with paler brown or ash. Elytra pale reddish-brown ; apex 

 translucent ; the middle field marked with large fuscous or brown spots ; 

 some two or i-hree are also on the lower field. Posterior femora with three 

 oblique brown bands. 



Dimensions. — 5 Length, 0.8 to 1 inch; elytra, 0.66 inch; hind femora, 

 52 inch. <5 Length, 0.65 inch ; hind femora, 0.4 inch. 



Colorado (Thomas). 



Remark — This species varies somewhat from the typical form of this 

 genus, approaching very near to CE. atroz and CE. iJellucida in general form 

 and appearance; but in the form of the vertex and antennae approaches nearer 

 to Tragocephala than any other genus. 



T. paciUca, sp. nov. 



Male. — Very narrow, much compressed. Vertex much prolonged in 

 front, the portion in front of the eyes equal one-half the length of the head ; 

 margins much elevated, sharp, inclosing a lanceolate fpveola, which has a 

 short median carina in the hind portion of it ; lateral foveolte sub-distinct, 

 triangular. Face slightly oblique, nearly straight, the lower part being a 

 httle curved ; frontal costa very prominent, very narrow at the apex, gradu- 

 ally expanding from there to the base ; a sharp, distinct sulcus commences 

 opposite the antennae and continues to the clypeus ; lateral carinoe distinct. 



