282 APPENDIX. 



EUSTROPHUS, Latr. 



E. bifasciatus. Dark reddish-brown, sericeous; elytra 

 black bifasciate with rufous. 



Inhabits United States. 



Palpi terminating with a large obconie joint, truncated; 

 thorax sometimes blackish, nearly semicircular, somewhat 

 truncated before; posterior angles rather less than a right 

 angle; scutel transverse, very obtusely rounded behind; 

 elytra with a rufous waved band near the base, extending 

 to the base at the outer margin, and widely interrupted at 

 the suture; another rufous band behind the middle, slight- 

 ly undulated and hardly interrupted by the suture; sutural 

 edge a little elevated behind; venter very distinctly seri- 

 ceous with yellowish hair. 



Length more than one-fifth of an inch. 



I obtained a specimen many years ago near Philadelphia, 

 and we lately captured another in the North-western Ter- 

 ritory. 



DIRCEA, Fahr. 



D. tibialis. Black, with short hair; base of the antennae 

 and tibia yellowish. 



Inhabits North-west Territory. 



Body oval-orbicular, with very short hair, and irregu- 

 larly and very minutely punctured; antennae, three basal 

 joints obscurely pale rufous; clypeiis a little dilated before 

 the antennae and truncated; palpi dusky rufous; terminal 

 joint rather abruptly conic-acute; thorax convex, short, 

 wide; lateral edge arcuated; angles rounded; scutel rather 

 large, triangular; elytra destitute of striae; tip narrowed 



