34 DESCRIPTION OF INSECTS 



Length two-fifths of an inch. 



Carabus Baltimoriensis. Melsh. Catal. 



J^asus with about three hairy punctures each side at tip ; an- 

 tennae black-brown, base, labruni, palpi, and base of the 

 mandibles pale reddish-brown. 



Thorax black, somewhat narrower behind, posterior angles 

 acute, dorsal line distinct, basal lines dilated, and with the 

 posterior margin conspicuously punctured. 



Scutel blackish. 



Elytra, base, exterior and posterior margins reddish-brown, 

 common disk blackish. 



Feet testaceous. 



Distinguished from all the preceding ones by the thorax 

 being much narrowed behind. 



17. H. *cmius blackish slightly tinged with green ; palpi and 



base of the antennse testaceous. 

 Length seven-tenths of an inch. 



Carabus cienus. Melsh. Catal. 



Head green-black slightly tinged with cupreous; antennas 

 brown, three basal Joints and palpi testaceous. 



Thorax black very slightly tinged with green, transverse ; 

 hind margin punctured as broad as the middle, and equal 

 to the base of the elytra ; dorsal and posterior lines dis- 

 tinct, beneath black. 



Ehftra striate, strife impunctured, acute, interstitial lines flat. 



Feet testaceous : thighs testaceous-black ; dilated tarsi gra- 

 nulated beneath. 



Genus Feronia.* Latr. 



From this genus, as defined by Latreille, in the Regne Ani- 

 mal, I have distinguished Abax, Epomis, Chlcenins, and 

 Dicehis, as distinct genera. 



* This name is also made use of in botany, and ought therefore to be changed. 



