OF PHILADELPHIA. 321 



CERYLON Latr. 



C. CASTANEUM. — Reddish-brown, punctured, palpi bright yel- 

 lowish ; elytra striate. 



Inhabits the United States. 



Body reddish-brown, punctured, glabrous : antennae paler : 

 palpi pale reddish-yellow, polished : thorax widely and slightlj 

 indented at base, each side of the [260] middle; punctures nu- 

 merous distinct, posterior angles rectangular : scutel transversely 

 linear : elytra with the striae impressed, punctured. 



Length rather more than one-fifteenth of an inch. 



This species is not uncommon. I have found it in various 

 parts of the Union, and as far west as Missouri. 



MYCETOPHAGUS Fabr. 



1. M. PUNCTATUS. — Blackish ; elytra rufous, with a large dot; 

 scutel and tip black. 



Mycetopliaguspunctatus Knoch, J. F. Melsheimer. 



Body blackish-piceous, with short hairs : antennae and mouth 

 piceous : thorax immaculate, with a small indentation each side, 

 on the basal margin : scutel black : elytra with punctured striae ; 

 rufous ; region of the scutel black ; a large black spot on the 

 middle, confluent with the lateral margin, and extending on that 

 part to the humerus, and in the opposite direction to a large, 

 subterminal black band ; a small fulvous tip. 



Length more than one-fifth of an inch. 



2. M. FLEXUOSUS. — Blackish ; elytra rufous, undulated with 

 black. 



Mi/cetophagus Jlex^iosus Melsh. Catal. 



Body blackish-piceous, with short hairs : antennae, terminal 

 joint fulvous : thorax indented each side on the posterior margin : 

 elytra with punctured striae, yellowish rufous ; a transverse quad- 

 rate black spot on the region of the scutel ; a small rounded one 

 on the [ 261 ] humerus ; a large irregular one on the exterior 

 middle, sometimes not interrupted by the suture, and a large 

 black spot on the tip, enclosing a small fulvous spot; beneath 

 pale piceous. 



Length more than three-twentieths of an inch. 

 1826.] 21 



