280 ACADEMY OP NATURAL SCIENCES 



Length less than one-tenth of an inch. 



1 ohtained this species when with Major Long's party in 

 Missouri. 



[Belongs to JEbaeiis.—L^c.^ [ 171 ] 



5. M. TERMTNALis. — Blackish ; terminal margin of the elytra 

 pale testaceous. 



Body black, polished, somewhat hairy ; antennae at base, 

 clypeus on its anterior margin and labrum dull rufous : elytra 

 with the apical margin only pale testaceous : anterior thighs be- 

 neath, piceous : abdomen with the segments margined with pale 

 testaceous. 



Length less than one-tenth of an inch : of a more robust form 

 than the preceding insect. 



[An Anthocomus. — Lec] 



XYLETINUS Latr. 



X. SERICEUS. — Brown ; thorax indented each side behind ; 

 elytra striate. 



Anobium sericeum Melsh. Catal. 



Body cylindrical, with minute prostrate hairs : head granu- 

 lated ; antennae rufous j mouth with golden yellow hair : thorax 

 granulated ; an obvious longitudinal impressed line, terminating 

 behind in a short carina, which separates two impressed trans- 

 verse spaces ; lateral edge prominent : elytra with regular im- 

 pressed striae, in which are equal, large, impressed punctures. 



Length one-fifth of an inch. 



If the short Fabrician description of serrkornis be accurate, 

 there can be no doubt that the present specimen is distinct. 



[Belongs to Trypopitys Redt. — Lec] 



ANOBIUM Fabr. 



1. A. GIBBOSUM. — Thorax much elevated, acute in the 

 middle. [172] 



Anobium gihbosum Melsh. Catal. 



Body very hairy, brown ; hairs more or less ferruginous : an- 

 tennae nearly naked, reddish-brown : thorax much elevated in 

 the middle, the tip of the prominent part bifid : elytra with 

 irregular striae of punctures ; a few more prominent tufts of hairs; 



humerus prominent : postpectus dusky. 



[Vol. V. 



