HETEROPTEROUS HEMIPTERA. 341 



Var. b. Thorax with a longitudinal black vitta. 

 Var. c. Beneath reddish fulvous, with black feet. 



9. C. GONIPHORUS. — Black, broadly margined with sanguineous. 

 Inhabits United States. 



Body black : head more or less sanguineous, generally blackish 

 at base and tip : antennae black, second joint generally a little 

 thicker towards the tip ; orbits above sometimes a little tinged 

 with yellow ; thorax very widely margined each side with san- 

 guineous, leaving a large triangular black spot, of which the 

 base corresponds with the base of the thorax and the tip with 

 the tip; hemelytra, corium with a broad sanguineous lateral 

 margin. 



Var. a. Black thoracic triangle deeply emarginate before. 



Var. b. Beneath sanguineous on each side. [786] 



Var. c. Thighs rufous; tibiae and tarsi pale yellowish. 



Var. d. Thorax sanguineous, with scarcely any appearance of 

 black. 



Length from one-fifth to one-fourth of an inch in the tip of the 

 hemelytra. 



Not uncommon in various parts of the Union. Nuttall ob- 

 tained a specimen in Arkansaw. 



10. C. NUBILUS. — Varied with blackish and grayish; antennae, 

 basal joint hairy, robust. 



Inhabits Indiana. 



Body above varied with black and grayish green ; with numer- 

 ous short hairs: head and thorax chiefly green; antennae, joints 

 black at tip ; basal joint at least half the length of the second, 

 robust, hairy ; second joint perceptibly a little thicker at tip : 

 hemelytra with a grayish spot at tip of the corium, and on the 

 membrane a whitish marginal spot, and a yellowish angulated 

 line : beneath grayish green, a little dusky each side : feet green- 

 ish : rostrum extending between the posterior feet. 



Length to tip of hemelytra one-fourth of an inch. 



Var. a. Tip of the corium with an obscure rufous spot ; be- 

 neath dusky irrorate with pale, greenish along the middle. 



11. C. MEDius. — Sanguineous, antennae, scutel and inner por- 

 tion of the hemelytra black. 



Inhabits Indiana. 



