OF PHILADELPHIA. 281 



Length more than one-fourth of an inch. 

 The hairy surface, and prominence of the thorax render this a 

 striking species. It is not common. 



2. A. BISTRIATUM. — Black ; feet dull rufous ; antennae pale 

 yellowish. 



Thorax a little compressed before, with a slight oblique groove 

 each side, proceeding backward and becoming confluent on the 

 posterior submargin ; lateral margin impressed, edge rather 

 prominent ; anterior edge slightly reflected : elytra with obsolete 

 series of impressed punctures ; on the lateral margin are two 

 deeply impressed strise. 



Length more than one-twentieth of an inch. 



A small but very distinct species. 



3. A. NOTATUM. — Above blackish, varied with cinereous ; 

 thorax with the posterior angles subacute. 



Head with cinereous hair on the front; antennae glabrous, 

 rufous, as long as the- thorax : thorax blackish-brown, a longitu- 

 dinal impressed line, in which is very short cinereous hair, on 

 each side of which is a small obsolete cinereous spot ; base with 

 a large cinereous patch ; posterior angles rather prominent, sub- 

 acute : scutel cinereous : elytra striate, punctured, [173] with 

 short cinereous lines in the interstitial spaces, forming a band 

 beyond the middle, and at base generally enclosing a black spot: 

 beneath cinereous ; feet blackish-rufous. 



Length more than three-twentieths of an inch. 



This pretty species is not at all common. 



4. A. TENUESTRiATUM. — Reddish-brown ; sericeous ; elytra 

 with filiform striae. 



Anohium villosum Melsh. Catal. 



Antennae moderate, the terminal joints not unusually elongated, 

 the length of each not being equal to three times its breadth : 

 thorax not remarkably convex, a little indented transversely each 

 side on the posterior margin, but not carinated on the posterior 

 middle ; before the middle on each side, in a particular light, is 

 a rounded spot of the general yellowish sericeous hair : elytra 

 with very slender, not deeply impressed, punctured strise. 



Length less than three-twentieths of an inch. 



A very common species; it frequently occurs in our museums. 

 1825.] 



