486 TRANSACTIONS OF THE 



Length less than seven-twentieths of an inch. 



Body with very short numeroHS hairs ; head green, polished, 

 punctured ; antennae and palpi rufous, brownish towards the 

 tips ; labrum piceous, deeply emarginate ; thorax with large 

 punctures, a little contracted behind, posterior lateral edge 

 somewhat excurved, dorsal line not deeply depressed, basal ones 

 indented ; elytra purple, interstitial lines convex, with distinct 

 punctures [64] striae with the punctures not larger than those 

 of the interstitial lines; feet pale rufous. 



Not a common species. Known by its small size. 



[Also belongs to Anomoglo^sus ; it was afterwards described by 

 Dejean as C. elegantulus. — Lec] 



G. C. LATICOLLIS. — Dark violaceous ; elytra black; antenna 

 and feet rufous ; head punctured ; thorax at base as broad as the 

 elytra. 



Length rather more than three-fifths of an inch. 



Body hairy, deep violaceous glossed with green, beneath black ; 

 head punctured; antennae reddish-brown, base and palpi rufous; 

 labrum truncate, ferruginous; thorax densely punctured, trans- 

 verse-quadrate, narrowed before, base not contracted, as broad as 

 the elytra; elytra with numerous minute punctures, striae with 

 with small punctures, interstitial spaces perfectly flat ; feet ru- 

 fous ; abdomen with small punctures. 



Approximates closely to scstivus and snn'ceus, but differs in the 

 form of the thorax, which is proportionally larger. 



Brought from the Missouri by Mr. Nuttall. 



7. C IMPUNCTIFRONS. — Dark green ; elytra black ; antennas 

 and feet rufous; head inqiunctured; thorax at base as broad as 

 the elytra. 



Length three-fifths of an inch. 



Body dark green, beneath black; elytra black ; head green, 

 polished, impunctured; labrum emarginate, ferruginous; thorax 

 obscure green, transverse-quadrate, punctured, punctures minute, 

 base as broad as the elytra ; elytra black, punctures numerous, 

 minute, striae with distinct punctures ; feet rufous. 



1 istinguished from all the preceding ones by the glabrous 

 front, and small size of the thoracic punctures. Rare. [65] 



[Vol. II. 



