70 DESCRIPTIONS OF NEW SPECIES. 



but the thorax is less flattened, and somewhat more regularly 

 narrowed in front. 



CATOGENIJS WESTWOOD. 



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

 dricus, capite convexo punctate canaliculate, sulcisque duabus brevibus 

 frontalibus insculpto, thorace latitudine sesqui longiore, parce punctate, 

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

 rioribus fere obliteratis. Long. -25. 



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

 of the anterior tibia? is much longer than in C. rufus. 



NARTHECIUS LEG. 



263. W. grandiceps. Rufo-testaceus subnitidus, valde elongatus 

 cylindricus, capite thorace longiore, aciculato, liuea frontal! impresso, 

 supra oculos utrinque subtiliter carinato, thorace latitudine longiore, 

 postice sensim angustato, lateribus omnino rectis, subtiliter punctato, 

 linea lateral! parum distincta notato, elytris thorace sesqui longioribus, 

 remote striatis, interstitiis planis punctulatis et subtiliter pubescehtibus. 

 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 antennas 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 pro thorax is 

 obsolete. 



TEOfATOPHILUS HEER. 



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

 tns, ciuereo-pnbescens, 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. 



LOBERUS LEG. 



265. L,. imprcssiis. Elongatus, seneo-niger nitidus, parce subtilis- 

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



