104 



22. 



23.-! 



Seutel cordiform, the region 

 about it much depressed . . 



Seutel ovate, convex; body 

 short, thick, oval .... 



Antennae distinctly serrated, bo- 

 dy moderately elongated . . 



24. 



25. 



26. 



Antennas hardly serrated, near- 

 ly filiform, 24. 



Pra3sternum produced and cov- 

 ering the mouth entirely; 

 body short, thick; tibias spiny; 

 mesosternum grooved . 

 I Praesternum not closing the 

 (^ mouth entirely, 25. 

 Fourth to tenth joint of antennas 

 increasing in length; body 

 elongated, slender, almost 



linear 



Fourth to tenth joint of the an- 

 tennas subequal, 26. 

 f Fourth joint of tarsi not much 

 shorter than the third; body 

 short, thick, robust, and very 



convex 



Fourth joint of the tarsi very 

 minute, its base received 

 within an emargination of the 

 third; body slender, almost 

 linear 



CARDIOPHORUS Esch. 



E. convexus ??? Say. (Hentz, No. 



957.) 

 OOPHORUS Esch. 



E. dorsalis Say. (Hentz, No. 138.) 

 LIMOXIUS Esch. 



E. cylindiiformis Say. (Hentz, No. 



145.) 

 E. plebejus Say. (Hentz, No. 



1154.) 



E. limbalis Hbst. (Hentz, No. 152.) 

 E. qucrcinus Say. (Hentz, No. 



161.) 



CRYPTOHYPNUS Esch. 

 E. abbreviatus Say. (Hentz, No. 

 956.) 



DOLOPIUS Megerle. 



E.silaceus Say. (Hentz, No. 164.) 

 inquinatus Say. 



Hentz, No. 142. [Elater lancea- 

 rius Hentz' MSS. Catal.] 



AGRIOTES Esch. 



E. obesus Say. (Hentz, Nos. 144 

 and 148.) 



ADRASTUS Megerle. 

 E. bic/eminatiis ? Say. 

 Hentz, No. 156. \_Elaler 



tor Hentz' MSS. Catal.] 

 E. pectoralis ? Say. 

 Hentz, No. 153. \_Elater scutatus 



Hentz' MSS. Catal.] 



