10 DESCRIPTION OF INSECTS 



species. The name prasinus having been already applied 

 to a different species has rendered it necessary to change it. 



4. C. *purpiii'eus purple or violaceous; antennae, mouth, and 

 tibije black. 



Lejigth nearly seven-twentieths of an inch. 



Head obsoletely punctured, deep violaceous, 



Anteiince fuscous, three basal joints rufous, obscure. 



Trunk deep violaceous ; a longitudinal impressed line, and 

 transverse obsolt^te rugse. 



Elytra deep violaceous, obsoletely punctured ; and with 

 minutely punctured, acute, distant strife ; a line of mar- 

 ginal punctures ; tibia and tarsi black-brown ; penultimate 

 tarsal joint bilobate. 



Venter violaceous ; tail black. 



In form and magnitude resembles C. viridipennis, but is 

 more depressed, and wider. Brought by Mr. Nuttall from 

 the Missouri. 



5, C. *pilosus black-brown, punctured ; mouth, antennae, and 

 feet rufous; elytra with punctured strise and interstitial 

 lines. 



Carabus pilosus. Melsh. Catal. 



Body somewhat hairy. 



Head deeply punctured; no distinct frontal impression. 



Antennm and 7nouth rufous. 



Thorax with numerous, profound, approximate punctures, 

 and a longitudinal impressed line which Iiardly attains the 

 anterior edge. 



Elytra with punctured obtuse strije which are sub-equal to 

 the interstitial lines ; punctures transverse, dilated, ap- 

 proximated ; interstitial lines punctured. 



Epipleura rufous, punctured ; feet rufous ; pectus punctured. 



Venter obscure, rufous, with distant minute punctures. 



Lewg^A two-fifths of an inch. 



