256 New American Species of the Genera 



Length rather less than three-fifths of an inch. 

 Very distinct, and readily recognised. 



5. E. parallelus. Brown ; thorax with the anterior angles 

 dilated, and as wide as at the posterior angles. 



Elater angulatus, Melsh. Catal. 



Description. Body reddish-brown, minutely punctured : 

 antenna rufous, serrated : thorax longer than broad, rather 

 widest at the anterior angles, which are much wider than 

 the head ; an impressed longitudinal line obsolete on the 

 anterior margin ; lateral edge subrectilinear : scutel orbicu- 

 lar : elytra with impressed, punctured stria?. 



Length three-fifths of an inch. 



The name angulatus is pre-occupied. 



6. E. muscidus. Pale brown ; thorax very short ; antennae 

 rather robust, simple. 



Elater muscidus, Melsh. Catal. 



Description. Body pale brown, a little tinged with reddish, 

 somewhat densely covered with cinereous, short hair : head 

 transverse line between the antennae, not elevated in its 

 middle : antenna very hairy, robust, and rather long, with- 

 out any appearance of serrature : mouth ciliated above : 

 thorax very short, a little transverse, and convex, narrowed 

 before to the width of the head, somewhat widest in the 

 middle, a little contracted before the posterior spines, which 

 are not elongated ; a longitudinal slightly impressed line 

 from the base to the middle : scutel orbicular : elytra with 

 impunctured striae. 



Length more than three-fifths of an inch. 



