7.^ 



101 



' Body slightly flattened, obtuse 



before, attenuated behind , Eucnemis ? (proper, mi.) 



Hentz, No. 1317. [E Inter incall- 



dus Hentz' mss. Catal.] 

 Eucnemis calceaius Say. 

 E. cylindricollis Say. 



Body cylindrical Nematodes Latr. 



Eucnemis ohUquus. Say. 

 Melasis scmivittatus Harr. Catal. 

 ' Clypeus trilobed, elongated ; body (Hentz, No. 1 152.) 



slender, subdepressed . . . New genus ; founded on an unde- 



scribed species from Deerfield, 

 Mass. The clypeus is trilobed, 

 the thorax without grooves, and 

 the posterior coxaj are large and 

 triangularly produced behind, 

 covering the base of the thighs, 

 as they are also in Eucnemis 

 Clypeus not trilobed, abbrevi- proper, 



ated; body thick, convex . . Xylcecus? Serville. (Silenus? 



Latr.) 

 E. erosus Say. 



Hentz, No. 862. [Elaier erosus 

 . Say?, Hentz' mss. Catal.] 



j Nails pectinated Cratonychus Dej. Cat. (Notho- 



l Nails simi3le, 10. r^ Harr. Cat.) 



Elater cinereus Weber. 

 Hentz, No. 169. ^Elater oemulus 

 Germ, in litt. Hentz' mss. Cat.] 

 communis Schonh. 

 Hentz, No. 134. [Elater dispar 

 Herbst. Hentz' mss. Catal.] 

 ''Thorax grooved at the sides of And some others. 



the presternum Agrypnus Esch. (Adelocera? 



Latr. Tapheicerus Harr.) 

 E. marmoratus Fabr. (Hentz, No. 

 930.) 



' E. lepturus Herbst. (Hentz, No. 



163.) [T. februarius Hentz' 

 MSS. Catal.] 

 Hentz, No. 133. [T. excissatus 

 Thorax without dilated pectoral Hentz' mss. Catal.] 



grooves, 11. * E.pennatusF. (Hentz, No. 135.) 



