254 ACADEMY OF NATURAL SCIENCES 



at base, testaceous : clypeus above destitute of grooves : thorax 

 sinuous behind, the posterior transverse impressed line placed 

 very near thejpostcrior edge ; posterior angles prominent, rounded, 

 lateral edge obtusely emarginate before the posterior angles; 

 margin, two oblique lateral lines and a longitudinal dorsal one 

 testaceous : scutcl with a lateral marginal line, the elevated x 

 and two dorsal dilated lines, testaceous; the dorsal lines are 

 merely emarginate on the inner side, and do not form the W ; at 

 the tip of each anterior line of the a; is a conspicuous, black, im- 

 pressed puncture, and behind the x the posterior edge of the 

 scutcl is visible and testaceous : beneath, very pale testaceous ; 

 rostrum black each side of the grooved base, in the middle 

 and at tip : feet lineated with black ; anterior thighs bispinous : 

 tergum with narrow posterior reddish-brown margins ; terminal 

 and anal segments testaceous, the latter with two black spots : 

 nervures of the wings testaceous, beyond the middle fuscous. 



Length to the tip of the hemelytra less than one inch. 



Dr. James and Mr. Peale observed this species in great num- 

 bers in one locality, at the base of [335] the Rocky Mountains: 

 but it did not occur elsewhere. 



FULGORA. 



F. SULCIPES. — Thorax with a few black punctures ; nervures 

 of the hemelytra margined with black ; thighs with black grooves. 



Body pale : head yellowish-green : rostrum elongated, as long 

 as the head and thorax, with an elevated line and edges, two 

 black points between the eyes, beneath between the eyes three 

 lines and edges elevated : thorax with a large black spot behind 

 each eye, and several distant black points, two conspicuous black 

 points between the larger ones : hemelytra with pale nervures, 

 which arc margined with black : feet with black grooves ; anterior 

 and intermediate tibiae with an annulus and tip and tarsi black ; 

 posterior tibiae seven-spined, besides the terminal spinous semi- 

 fascia. 



Length to the tip of the hemelytra more than three-tenths ot 

 an inch. 



A small species which I do not suppose to possess the power of 

 yielding light. It inhabits the Arkansa near the Rocky Moun- 

 tains. 



[Vol. IV. 



