666 BOSTON JOURNAL 



Of this genus are two species ; the tornator F., and the can- 

 teriator Drapiez, both of North America. The latter has re- 

 ceived three or four names from as many diflferent authors, but 

 as they are unaccompanied with descriptions, the above will of 

 course, take precedence. 



HISPA Linn. 



H. ATRicORNis. — Above yellowish ; antennae, thoracic line and 

 tip of the elytra, black. 



Inhabits Mexico. 



Body above yellowish-fulvous: head impunctur^d : antennae 

 black : thorax with rather large punctures ; a black dorsal line : 

 scutel black : elytra serrate, with double series of punctures, and 

 interstitial, slender, elevated lines ; tip black-brown, not more 

 than one-fifth of the whole surface of the elytra : pectus and 

 postpectus with a lateral black vitta dilating behind : feet black : 

 thighs fulvous at base : venter black, yellowish each side. 



Length more than one-fifth of an inch. 



This cannot be H. quad?-ata Fabr., which has the elytra mar- 

 gined with purple. [197] 



CASSIDA Linn. 



C. UNIPUNCTATA nob. Journ. Acad. Nat. Sc. vol. iii. 



A variety of this species occurs in Mexico, of a smaller size, 

 with sometimes a black, arcuated, transverse line behind the ab- 

 breviated thoracic line. The inferior surface, in some specimens, 

 is black, the feet varied with whitish, and whitish triangular 

 lateral spots on the incisures of the venter ; in others the inferior 

 surface is pale greenish-yellow, more or less varied with black, 

 the spiracles black. It is an abundant species. 



CLYTHRA Leach. Fabr. 

 C. MUCIDA. — Black, metallic ; head, thorax, and beneath with 

 white hair. 



Inhabits Mexico. 



Body blackish, punctured : head with a coppery tinge, and 

 covered with prostrate white hair : labrum honey-yellow : palpi 

 blackish : anteunai jiiccous : thorax tinged with cupreous, with 

 dense, small punctures, and covered with white prostrate hair : 



[Vol. I. 



