572 TRANSACTIONS OP THE 



the antennae and palpi paler; palpi with the terminal joint very 

 small ; antennae towards the tip moniliform ; thorax much smaller 

 than the head, paler on the lateral and posterior margins ; punc- 

 tures confluent longitudinally ; anterior margin with a short, ab- 

 rupt neck ; anterior angles angulated ; behind rounded ; elytra 

 with small, irregular punctures, furnishing short hairs, almost 

 obsolete at tip ; tip paler ; feet honey-yellow. 



Length less than three-twentieths of an inch. 



I obtained a few specimens at Chincoteague Island, in dung, 

 October ; and one in Indiana. 



[Also a Lithochivis. — Leg.] 



PINOPHILUS Grav. 



P. LATiPES Grav. — In his last work this author abolishes this 

 genus and unites the species with Lathohium. But I think with 

 Latreille, that it must be a distinct genus. [457 ] 



P^DERUS Fabr. 



1. P. DISCOPUXCTATUS. — Ycllowish ; abdomen black at tip. 

 Inhabits the United States. 



Body elongated, dull honey-yellow, punctured ; head with 

 close set, discoidal punctures ; subquadrate, obtuse before ; an- 

 tennae and palpi paler than the head ; thorax with discoidal 

 punctures ; which are close set and like those of the head with 

 a central point ; oval, rather smaller than the head ; edges a little 

 darker ; elytra a little paler than the head and thorax, with 

 dense, transversely somewhat confluent punctures ; abdomen dark 

 honey-yellow, black at tip ; feet color of the elytra. 



Length less than three-twentieths of an inch. 



Besembles P. bhiotatus Say, but may be distinguished at first 

 sight by the more obtuse anterior termination of the head, and 

 by the absence of the elytral spots, which mark that species. 



[Belongs to Sum'us, and was previously described as Pscdcrus 

 longiusculus Mann. — Leg.] 



2. P. GiNCTus. — Black ; tips of the elytra obscure rufous. 

 Inhabits the United States. 



Body elongated, black with a slight tinge of piceous, and with 

 discoidal punctures ; head obtuse befbre ; antennae and palpi 



[Vol. IV. 



