7. 



8. 



101 



Body slightly flattened, obtuse 



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



Hentz, No. 1317. [Elater incali- 



dus Hentz' MSS. Catal.] 

 Eucnemis calceatus Say. 

 E. cijlindricollis Say. 



Body cylindrical NEMATODES Latr. 



Eucnemis obliquus Say. 

 Melasis scmivittatus Harr. Catal. 

 Clypeus trilobed, elongated; body (Hentz, No. 1152.) 



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



scribed species from Deerfield, 

 Mass. The clypeus is trilobed, 

 the thorax without grooves, and 

 the posterior coxae 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. [Elater erosus 

 Say?, Hentz'*MSS. Catal.] 



( Nails pectinated CRATONYCHUS Dej. Cat. (NoiHO- 



' Nails simple, 10. RA Harr. Cat.) 



Elater cinereus Weber. 

 Hentz, No. 169. [Elater cemulus 

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

 communis Schbnh. 

 Hentz, No. 134. [Elater dispar 



Herbst. Hentz' MSS. Catal.] 

 ' Thorax grooved at tlie sides of And some others. 



the prsesternuni 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.pennalus F. (Hentz, No. 135.) 



