DESCRIPTIONS OF NEW SPECIES. 85 



ATBJOl S !■:.-< ii. 



311. A. maculicollis. Valde elongatus, fuscna nitidns, cinereo 

 pubescens, capite punctato, fronte concava, margine reflexo rufo, thorace 

 latitudine sesqui longiore, antrorsuin paulo angustato, Lateribua hand 

 rotundatis late undulatis, angalis postiois hand oarinatia apioe rotunda- 

 tis, baud dense punctato, L-ete rufo macula nigra rhomboidea elongata a 

 basiad apicem extensa ; elytris aeneo-tinctis, Btriia punctatis, interstitiis 

 subtiliter punctatis, antennarum articulo lmo epipleuria abdominis mar- 

 gine pedibusque flavo-testaeeis, antennis articulo 3io 2ndo longiore at 4to 

 breviore. Long. *32. 



Canada; rare. Belongs to the division having the 2d and 3d 

 tarsal joints distinctly lobed beneath. Color excepted, this spe- 

 cies resembles closely A. acanthus. 



EAXUS Lec. 



312. E. maciilipeniiis. Nigro-ameus nitidns, pallide pubescens, 



capite thoraceque fortiter haud dense punctatis, hoc convexo Buboam- 

 panulato, latitudine breviore, angulis posticis acutis divaricatia carina- 

 tis, versus latera pone medium vage impresso, elytris obsolete striatis, 

 baud dense subtilius punctatis, limbo externo macula basali, altera 

 obliqua suturam baud attingente, tertiaque majore ad dodrantem Iffite 

 flavis, antennis piceis, basi, epipleuris pedibusque testaceis. Long. '22. 



Labrador; Prof. Chadbourne. The oblique narrow spol and 

 the posterior one both attain the lateral margin. The thorax is 

 more narrowed in front and more rounded on the sides than in 

 either of the other species. 



CORYItIBITES Lath. 



313. C. oclireipeimis. Elongatus, seneo-niger, snbtua cinereo, supra 

 fulvo pubescens, thorace subtiliter punctato convexo, latitudine fere lon- 

 giore lateribus rotundatis, angulis posticis divaricatia baud oarinatis, 

 fissuris basalibus brevissimis, elytris rufo-testaceis sutura intu 

 subtiliter striatis interstitiis punctulatis. Long. -20 — '26. 



Great Slave Lake; Robert Kennicott. The third joint of i 1 e 

 antennae is not wider, and but little longer than the Becond. This 

 species is to be placed next to G. nubiiua Lec. from California 



and Oregon. 



314. C. morulas. Niger nitidns, capite oonfertim fortiter punctato, 



fronte late concava, thorace lateribus dense medio modice pnnctato, lati- 

 tudine paulo longiore, antrorsum modioe Bensim angustato, angulii 

 ticis cariuatis paulo divergentibus, pone medium hand profunda oanali- 



