INHABITING NORTH AMERICA. -ta 



Ehjtra^ strise ol>solotrly ptinctiivcd, interstitial lines ronvcx, 

 third one witii a |)uncluic at the l)ase, one in the iniilillr, 

 and one near the tip. 



Fed hiack ; tibia and tarsi piceous ; postpedits punctured eacli 

 side. 



Differs from admits, to vvliich it is closely allied, in having 

 less robust anteruifi*, veslij^es ol" punciurrs in the fjyiral siii;c, 

 the thorax more rounded and less cxeurvcd at tlic posteiior 

 angles, and the dorsal line not ahbrevialed beliind. 



17. F. *subjnarginata I)lackish. p;lal)rous, all beneath piceous ; 

 thorax with a depiessed nKiri:;in. tlie edge reflected, base 

 each side, and elylral stii;e punctured. 



Lengtii hair an incli. 



Anteium and palpi deep piceous ; labnim truncate, piceous. 



Thorax in the middle as broad as the elytra. I)ase punciuicil, 

 marginal groove dilated, piceous. resembling a nai row de- 

 pressed margin and reflected edge, dtjrsal line distinct, 

 lateral edsre not excurved near the hind angles, base wi- 

 der than the petiole, posterior angles prominent and 

 rounded. 



Elytra, striae punctured, interstitial lines convex, third one 

 with a puncture behind tlic middle and one near the lip. 



Feet piceous; pns/iwcfiis puncturrd each side l)ehind the in- 

 termediate feet, and at the base : renter inipunctured. 



This species very much resemMes Jr(vv///.s\ but the thorn \ 

 is more dilated, and the elytra narrower. It may be distin- 

 guished by ha\ing the postpectus punctured both at base and 

 each side. 



18. F. *impunefo1a black. 2;labrous. itnpunctured ; antenn.r 



and palpi pale luCous; P-et testaceous. 

 Lnigfli a little more than two-jilths of an inch. 

 Body black, inipunctured, glabrous. 



