MELANOTUS. 371 



12. M. CUNEATUS. Modice lanceolatus , fusco-piceus , detisius 

 fusco-pubescens , fronie concava , thorace latiiudine suhbreviore , 

 antrorsum angustato , lateribus late vix rotiindatis , disco minus 

 devise sut grosse pimctato, linea dorsali lœvi milice obsoleta , 

 elytris a basi angustatis , striis pimctatis subimpressis , in- 

 terstitiis disperse punctulatis , antennis ( inaris laniiginosis ) 

 thorace sesqui longioribus , articido 5'° ^°^° duplo majore. — 

 Long. 6" 2. 



Geoigia. J hâve only maies. The smooth but not iiupressed 

 dorsal line distinguishes this from the allied species. The sides 

 of ihe (horax are ihickly , the dise less densely puncliired ; ihe 

 poslerior angles , hâve iwo distinct carinœ. In one spécimen , 

 which is possibly a distinct species, ihe thorax in less convex, 

 and wilh the exception of the dorsal line is equally and densely 

 punclured 



Cratonychus cuneatus. Lec. Loc. cil. p. 475, 3. 



13. M. iGNOBiLis. Fusco-piceus , elongatîis , griseo-piibescens , 

 fronie plana , margine stibreflexo , thorace latitudine suhbreviore 

 antrorsum paulo angiistato , lateribus rectis , minus convexo , 

 sat dense punctato , carina angulari margini valde approxiniata , 

 elytris a basi attenuatis , punctis magnis serratis , inierstitiis 

 parce punclulati-j , antennis elongatis , valde serratis , arti- 

 culo ô'° 2°^° sesqui longiore , pedibus castaneis. — Long. 4'" 1. 



Melanotus ignobilis. Mels. Proc, Acad. Nat. Se. , p. 32 , 1S2. 



A very distinct species , of wicli 1 hâve seen only the 

 single maie found in Pennsylvania by D' Melsheimer : the pu- 

 bescence of the antennaî is very short, but dense and erect. 



Cralonychus ignobilis. Lec. Loc. cit. p. 474 , 9. 



14. M. Gi-ANDicoLOR. Castauetis , fusco-pubescens, fronte minus 

 convexa , thorace latitudine vix longiore , a basi sensim an- 

 gnstato , lateribus redis, ad apicem subito rotundatim angustatis, 

 postice subcanal iculato , parce grosse punctato , elytris subpa- 



