DESCRIPTIONS OF NEW SPECIES. 73 



laterflras late rotundatis subserratis, elytris obsolete 3- rel 4-ooatatu. 



Long. -08. 



Pennsylvania; Dr. Melsheimer. Resembles in form a Corti- 



curia, but in sculpture is quite different. The elytra are feebly 

 sulcate, leaving three or four traces of costffl on each. 



MARGHnTS Lec. 



273. M. rildis. Elongato-ovalis parum convexus, nigro-fuscus, pube 

 erecta fusca vestitus, capite thoraceque rude punctatis, hoc latitudine 

 breviore, antrorsum angustato, lateribus rotundatis marginatis, angulis 

 posticis rectis, elytris striis fortiter punctatis, parum impressie. Loug. 

 •10. 



Middle and Southern States; not rare. The genus differs 

 from Diphyllus by the antennal club being three-jointed, and by 

 the lateral lines of the thorax being obsolete, a mere trace of the 

 outer one being seen near the base, and from Diplocoelus by the 

 last mentioned character, as well as by the 11th joint of the 

 antennae being somewhat narrower than the 10th. 



DIPLOCOELUS Grvims. 



274. D. briliineus. Elongatus ovalis, parum convexus, nigro-fuscus, 

 pube suberecta minus subtiliter vestitus, capite liaud dense, thorace 

 fortius punctato, latitudine fere duplo breviore, lateribus marginatis 

 antice rotundatis, utrinque bisulcato et subtiliter tricarinato, elytris 

 striis punctatis vix impressis, interstitiis subtiliter puuctulatis, autennis 

 pedibusque obscure ferrugineis. Long. '14. 



Middle States ; rare. Dr. Melsheimer and Mr. Ulke. 



DEARTHRIS Lec. 



275. D. longulus. Elongatus, niger subnitidus, subtiliter cinereo- 

 pubescens, sat fortiter baud dense punctatus, thorace latitudine plus 

 duplo breviore antrorsum angustato, lateribus obliquis parum rotundatis, 

 medio breviter subtiliter canaliculato, elytris thorace quadmplo l( 

 ribus, antennis pedibusque piceis, illis basi tarsisque pallidioribu-. 

 Long. -12. 



Georgia, Pennsylvania ami Illinois; on plants. More elon- 

 gate than any species of Attagenus, to whi.-h this genua is closely 

 allied. Like as in Attagenus, the presternum is trim, ate in front, 

 but is very slightly prolonged behind the coxse into a small 

 point; the mesosternum is tolerably broad, declivous, with a tin- 



