50 DESCRIPTION OF INSECTS 



26. F. *cupnpen7iis green, polished j common disk of the 

 elytra cupreous, brilliant. 



Carabus metallicus. Melsh. Catal. 



Length seven-twentieths of an inch. 



Head green : a?ifejince, labrum, and palpi black. 



Thorax impuncUired, green varied with purple, rather nar- 

 rower than the elytra, regularly curved each side to the 

 bases, posterior angles none, dorsal and basal lines dis- 

 tinct, the latter dilated. 



Elyfra cupreous, brilliant, margin green, striae acute, inv 

 punctured. interstitial lines flat. 



Pectus and postpedus dark gieen. 



Feet green ; tibia, and tarsi, and trochanters piceous. 



Far. a. Elytra brilliant green slightly tinted with cupreous ; 

 head and thorax tinged with purplish. 



A very beautiful and brilliant insect. The name metallicus 

 having been applied to a very different insect, the above is 

 substituted for it. 



27. F. *convexicollis green varied with cupreous, all beneath 

 black ; thorax submarginated, punctured behind. 



Length more than seven-twentieths of an inch. 



Body beneath black. 



Head green, with slight cupreous reflections j lahruni purple- 

 black ; maiidibles I)lack. 



Thorax green, elevated portion cupreous, margin depressed 

 more perceptibly towards the hind angles, breadth greatest 

 in the middle, hardly contracted behind, base as broad as 

 as the elytra and punctured. 



Elytra green slightly varied with cupreous, particularly at 

 the sutural base, strife with indistinct, distant punctures, 

 interstitial lines somewhat convex, third one with three 

 distant punctures behind the middle. 



Postpedus punctured each side ; feet black. 



