72 DESCRIPTIONS OF NEW SPECIES. 



EPISTEMUS STEPHENS. 



268. E. apicalis. Ovalis convexus, nigro-piceus nitidus, obsolete 

 parce puuctulatus, thorace angulis posticis subacutis, lateribus vix 

 rotundatis subtiliter marginatis, elytris pone medium indeterminate 

 rufo-testaceis, antennis pedibusque testaceis. Long. -04. 



Middle States ; not rare. The prosternum in this genus is 

 bistriate, and closely applied to the mesosternum, reminding one 

 of the form seen in Acritus and many other Histeridse. 



HOLOPARAMECUS CURTIS. 



269. H. pacificiis. Elongatus, testaceus nitidus, thorace cordato 

 convexo, ante basin profunde transversim impresso, impressione versus 

 medium latiore, elytris parce punctulatis, anteunis 11-articulatis. 

 Long. -03. 



Fort Yuma, California ; under bark of cottonwood. The 

 thoracic impression attains the sides and is not composed of 

 foveae. 



LATHRIDIUS ILL. 



270. L,. liratus. Fusco-testaceus nitidus, capite fortiter punctato, 

 vertice canaliculate, thorace latitudine longiore, medio sensim valde 

 angustato, lateribus fortiter marginatis, disco punctato, bicarinato pone 

 medium late profunde impresso, elytris ovatis thorace duplo latioribus 

 convexis, ante medium impressis, striis profunde fortiter punctatis ver- 

 sus apicem minus profundis. Long. -08. 



New York and Canada ; Mr. Ulke. A pretty species resem- 

 bling L. costicollis Lee. from California, but with the thorax 

 narrower and much more strongly constricted at the middle. 



TRIPHYLLUS LATH. 



271. T. rilflcornis. Elongato-ovalis, convexus, nigro-piceus nitidus, 

 haud subtiliter griseo-pubescens, fortiter sat dense punctatus, hurueris 

 obscure rufis, antennarum clava, tibiis tarsisque piceo-rufls. Long. -13. 



Middle, Southern and Western States ; not rare. I have 

 adopted the name under which I received it from Dr. Melsheimer. 



BERGINUS EK. 



272. It. pumilllS. Elongatus niger opacus, scabro-punctatus, pube 

 rigida cinerea minus subtiliter vestitus, thorace latitudine longiore, 



