108 ACADEMY OP NATURAL SCIENCES 



Length more than one-fourth of an inch. 

 A very distinct species from the preceding, Mr. Nuttall 

 brought two specimens from the Arkansa. 

 [A species of Tharops. — Leg.] 



ELATER Lin. 



1. E. AREOLATUS. — Rufo-testaceous ; head, scutel and elytral 

 band black. 



Inhabits Mississippi. 



Body rufo-testaceous, hairy : head black : clypeus very short, 

 obtusely rounded : antennae longer than the thorax : thorax short, 

 somewhat transverse : scutel black : elytra striate, punctured j 

 region of the scutel and dilated band on the middle black : feet 

 pale. 



Length less than one-fifth of an inch. 



2. E. DORSALis. — Rufous ; a thoracic fusiform line, two spots 

 and a band on the elytra, black. 



Inhabits the United States. 



Body rufous, hairy, punctured : head deep black : clypeus pro- 

 minent, rounded: antennas pale testaceous : thorax longitudi- 

 nally oblong; a dilated, fusiform black dorsal line; posterior 

 angles prominent: [158] scutel black : elytra striate punctured; 

 an oblong spot before the middle of each, and a common band 

 behind the middle dilated near the suture, black : feet pale. 



Length one-fifth of an inch. 



[I consider this as a Monocrepidius without tarsal lobes. Ger- 

 mar and Lacordaire place it in Cryptohypwas. — Lec] 



3. E. BELLUS. — Black ; thorax with a rufous line ; elytra ru- 

 fous varied with black. 



Inhabits the LTnited States. 



Elater hellus Knoch in Melsh. Catal. 



Body black, hairy, punctured : clypeus rounded before : an- 

 tennae pale testaceous : thorax with a longitudinal vitta and pos- 

 terior angles rufous ; carinated ; elytra rufous, varied with black 

 abbreviated lines; tip black, enclosing a rufous spot ; feet whitish. 



Length less than three-twentieths of an inch. 



Var. a. Anterior thoracic angles rufous. 



[Vol. III. 



