100 



fPraesternum wide and rounded 



behind DRAPETES Megerle. 



Praesternmn mucronate behind, rufinotalus Say in litt. (america- 



2. nus Dej. Cat.) 



Hentz' Coll. No. 162. [Elater gemi- 

 Antennse approximated at base, natus Say, Hentz' MSS. Catal.] 



3. Closely related to Buprestis, but 

 Antenna? not approximated at the thorax has the posterior 



base, 9. spines more produced. The first, 



second, third and fourth joints of 

 the tarsi are very short above, 

 Nails simple, 4. but with long lobes beneath. 



Nails pectinated PEROTHOPS ? Esch. (XYLOPHILUS? 



Tarsi lobed, 5. Mann and Esch.) 



Tarsi simple, 8. muscidus Say. 



f Thorax grooved for the recep- Hentz' Coll. No. 171. [Elater 

 tion of the antennas, 6. unicolor ? Say. Hentz' MSS. 



| Thorax not grooved for the an- Catal.] 



[_ tenna?, 7. unicolor Say. (Hentz, No. 171, 



"Thorax grooved beneath the var.) 



margin DIRHAGUS Esch. 



E. clypeatus Say. 



Hentz, No. 1213. [Elater dype- 

 atus Say. Hentz' MSS. Catal.] 



Eucnemis amosnicornis Say. 

 Hentz, No. 166. [Elater additivus 



Hentz' MSS. Catal.] 

 Eucnemis frontosus Say. 

 Hentz, No. 1212. [Elater marti- 

 Thorax grooved at th*, sides of anus Hentz' MSS. Catal.] 



the pra3sternum MICRORHAGUS Esch. 



Melasis nigricornis Say. 



Hentz, No. 1376. [Elater obnup- 



tus Hentz' MSS. Catal.] 

 E. trianyularis Say. 

 Hentz, No. 1405. [Elater loralus 



Hentz' MSS. Catal.] 

 E. Immeralis Say. 

 Hentz, No. 863. [Elaler bifor- 

 mis Hentz' MSS. Catal.] 



