DESCRIPTIONS OF NEW SPECIES. 51 



MEGALOPS Eb. 



179. M. rufipes. Niger uitidus, capite grosse parce punctate, tliorace 



latitudine paulo breviore, lateribus vix obsolete denticulatis, trausversim 

 biiinpresso, calloque inagno medio signato, depressiouibus grosse punc- 

 tata, elytris fere biseriatiui fortiter punctatis, macula humerali alteraque 

 interna apicali runs, antennis pedibusuue rufo-testaceis. Long. -nit. 



Atlanta, Georgia. The only specimen found by him J owe to 

 the liberality of Col. Motschulsky. 



0\¥PORlS Fabr. 



ISO. O. rilfipeilllis. Niger nitidus, thorace obovato, latitudine paulo 

 breviore, lateribus magis rotundatis, elytris bistriatis, laete rufis, margiue 

 basali anguloque externo nigris. Long. '35 — '43. 



Western States. Allied to 0. major, but the thorax is more 

 rounded on the sides and destitute of transverse impressions, and 

 the elytra are differently colored. 



181. O. quinqiiemaculatus. L?ete rufo-testaceus nitidus, capite 

 nigro, macula magna postica rufo-testaceo, tliorace subquadrato, lateri- 

 bus antice rotundatis, postice fere parallelis, angulis posticis rectis late 

 rotundatis paulo explanatis, macula magna laterali nigro-picea utrinque 

 ornato, elytris bistriatis, macula communi scutellari anguloque externo 

 nigro-piceis, abdomine segmentis anticis medio, ultimisque tribus totis 

 nigris, antennis piceis articulis 1 — 3, ultimoque testaceis. Long. *28. 



Pennsylvania, York County; Dr. Melsheimer. The sides of 

 prothorax beneath, the side pieces of the metasternum, and the 

 last ventral segments are black. This species differs from all the 

 others by the hind angles of the thorax, which, though rounded, 

 are quite prominent and flattened. 



BLEDIl TS Steph. 



1S2. R. armatus. Nigro-piceus, parum nitidus, capite Bubtiliter gra- 

 nulato, supra antennas alte obtuse carinato, vertice tuberculo nitido 

 canaliculato munito, thorace subtiliter granulato, parce hand profunda 

 punctato, elytris sat dense punctatis nitidis, lateribus late indeterminate 

 obscure piceo-rufis, antennis pedibusque piceo-rulis, oozifl oigro-pioeiB. 

 Long. -20— -25. 



San Francisco, California. Resembles the next two species, 

 but is readily distinguished by the characters above noted. Spe- 

 cimens very nearly resembling those found at San Francisco have 



