i66 TEANSACTIONS OP THE 



and otherwise sufficiently distinct. I should have been in doubt 

 whether this species or the next was the true pallipes Fabr., had 

 it not been for the specific character *' thorax rofundatus" applied 

 by that naturalist to his insect, a character more decidedly ap- 

 plicable to this species. 



It is not uncommon, and appears to be a general inhabitant of 

 this country. Nuttall found it on the Missouri. 



[Also an Agonodcrics. — Lec] 



8. F. ATRIMEDIA. — Pale rufous ; head, disk of the thorax and 

 of the elytra black ; beneath black ; feet testaceous ; posterior 

 thoracic angles acute. 



Length one-fourth of an inch. 



Body black beneath ; head black ; antennse, base rufous ; palpj 

 rufous J thorax rufous, with a black disk, edge slightly excurved 

 near the hind angles ; hind angles acute ; dorsal line distinct ; 

 [40] basal lines indefinite, indented ; base each side punctured i 

 elytra with impunctured strise and depressed interstitial IhieB, 

 pale rufous or testaceous with a common black disk, which ig 

 dilated behind the middle and attenuated before ; feet testaceous. 



A greater portion of the antennse and feet were wanting in the 

 specimen, but one of the anterior tarsi which was remaining wais< 

 much more dilated than that of the preceding species. From the 

 Missouri. Nuttall. 



[A species of Bradycellus. — Lec] 



9. F. LONGicoRNis. — Apterous, dark piceous, beneath paler : 

 antennae rufous ; feet testaceous. 



Length rather more than half an inch. 



Carabus longicornis Melsh. Catal. 



Body glabrous, dark piceous, beneath jjiceous ; front longitu- 

 dinally indented each side ; antennae rufous, half as long as the 

 body, the joints attenuated towards their bases; labrum truncate, 

 rufous ; palpi rufous ; thorax contracted behind, edge slightly 

 excurved at the hind angles, anterior transversely indented line 

 profound, dorsal line at base abruptly canaliculate, basal line? 

 dilated, suborbicular, profound, scabrous, extending from near 

 the dorsal line to the angle ; elytra, interstitial lines of the disk 

 convex, glabrous, striae obtuse, punctures approximate, trans- 



[Vol. II. 



