70 DESCRIPTIONS OF NEW SPECIES. 



but the thorax is less flattened, and somewhat more regularly 

 narrowed in front. 



CATOGEIVUS Westwood. 



262. C linearis. Castaneo-rufus nitidus, valde elongatus cylin- 

 dricus, capite convexo punctato canaliculato, sulcisque duabus brevibus 

 frontalibus insculpto, thorace latitudine sesqui lougiore, parce punctato, 

 postice seusim paulo angustato, elytris striis subtiliter punctatis, exte- 

 rioribus fere obliteratis. Long. -25. 



Cape San Lucas, Lower California ; Mr. Xantus. The spur 

 of the anterior tibiae is much longer than in C. rufus. 



XARTHECIIJS Lec. 



263. IV. grandiceps. Rufo-testaceus subnitidns, valde elongatus 

 cylindricus, capite thorace lougiore, aciculato, linea frontali impresso, 

 supra oculos ntrinque subtiliter carinato, thorace latitudine lougiore, 

 postice sensim angustato, lateribus omnino rectis, subtiliter punctato, 

 linea laterali parura distinct a notato, elytris thorace sesqui longioribus, 

 remote striatis, interstitiis planis punctulatis et subtiliter pubescentibus. 

 Long. *12. 



Pennsylvania, York Co.; Dr. Melsheimer; very rare. This 

 singular insect differs from the other genera of the tribe by its 

 cylindrical form. The head is longer and broader than the 

 thorax ; the eyes are small and not prominent ; the antennae are 

 not longer than the head, and the last three joints are a little 

 broader. The mandibles are long, curved, slender and prominent. 

 The legs are very short. The elytra are shorter than the head 

 and thorax together, and the lateral margin of the prothorax is 

 obsolete. 



TEEMATOPHIEITS Heer. 



264. T, americanus. Elongatus ater, confertim subtiliter puncta- 

 tns, cinereo-pubescens, thorace convexo, latitudine fere sesqui breviore, 

 angulis anticis rotundatis, posticis rectis, lateribus subtiliter serratis, 

 antennis pedibusque fusco-ferrugineis. Long. *12. 



Middle and Southern States, not common ; found on plants 

 near water. The elytra are very obsoletely striate. 



LOBERIIS Lec. 



265. Li. imprcssus. Elongatus, seneo-niger nitidus, parce subtilis- 

 sime cinereo-pubescens, capite thoraceque parcius punctato, hoc convexo, 



