27tT • [Aug., 1S45. 



yellow ; at its greatest width as broad as the base of the elytra, contracted an- 

 teriorly ; angles subacute, anterior ones deflexed ; an indentation each side near 

 the basal margin. Scutellum concave, suborbicular, truncated at base. Elytra 

 black; impunctured ; widest behind the middle. Femora and tibiae piceous ; 

 tarsi honey-yellow. Inhabits Pennsylvania. 



Cis, Latreille. 



C. ihoraclcornis. Blackish-brown ; clypeus much elevated, slightly recurved ; 

 thorax 2-horned ; elytra, posterior half, rufous. Length § line. 



Head with a dilated, profound, transverse indentation on the front ; clypeus 

 very much elevated, slightly recurved, tip emarginate. Thorax minutely punc- 

 tured ; convex ; the sides rounded ; a little contracted before ; two rather long, 

 acute, and slightly recurved horns in the middle of the anterior margin. Elytra 

 dark-brown or blackish; posterior half, rufous; very minutely and rugosely 

 punctured. Beneath dark-brown. Feet paler. In the cabinet of Prof. Halde- 

 man. Inhabits Carolina. 



Varies in having the elytra entirely black. The present specimen is probably 

 a male. 



Latridius, Herbst. 



1. L. musxorum. Reddish-brown; elytra paler, slightly tinged with yellow. 

 Length 1 line. 



Body yellowish-sericeous. Eyes black. Antennas dull rufous. Thorax sub- 

 quadrate, the sides a little rounded ; anterior angles somewhat elongated, form- 

 ing a small obtuse tooth ; the posterior angles subacute. Elytra pale yellowish- 

 brown, with regular series of minute punctures; yellowish-sericeous. Venter 

 the color of the elytra. In the cabinet of Prof. Haldeaian. Inhabits Carolina. 



2. L. unieolor. Dark chestnut; eyes black; elytra with finely punctured 

 striae. Length 1 line. 



Dark chestnut-brown, glabrous, numerously punctured. Head, punctures 

 very minute. Palpi dull yellowish. Thorax numerously and finely punctured ; 

 a little contracted before ; angles obtuse, anterior ones somewhat depressed. 

 Scutellum small, transverse, rounded behind. Elytra regularly striated; strise 

 finely punctured. Body beneath finely punctured. In the cabinet of Prof. 

 Haldeman. Inhabits Carolina. 



Mtcetophagus, Fabr. 



M. pint. Dark reddish-brown ; antennae and feet dull rufous. Length 2£ 

 lines ; breadth f lines. 



Body rather sparingly covered with short, yellowish, cinereous hairs. Head 

 with rather obvious, confluent punctures on the front ; occiput very minutely 

 and confertly punctured. Eyes black. Antennce and palpi dull rufous. Thorax 

 numerously and confluently punctured ; a small shallow impression each side 

 near the base; angles subacute. Elytra blackish-brown, with punctured striae, 

 the strice not very obvious ; interstices slightly punctured. Feet dull rufous. 

 In the cabinet of Prof. Haldeman. Inhabits Carolina — in pine. 



