SAPKINUS. 421 



terior margin and beliind eyes ; elytra with sutural stria 

 entire, united to second dorsal, latter and fifth dorsal 

 reaching beyond middle, third and fourth still longer, 

 humeral stria often with a small appendage, nearly joined 

 to inner lateral stria, space l^etween suture and second 

 dorsal stria punctured until beyond middle, tolerably closely 

 behind, irregularly in front; anterior tibiae with three 

 strong teeth and three feebler ones. L. 2^ 1. Not un- 

 common. S. maritimus, Steph. 



Tei^etrius. 



Black-brown, shiny ; mouth, margins of thorax and 

 elytra, antennae and legs reddish. Thorax and elytra 

 strongly and rather diffusely punctured. L. 1| 1. Eare. 



T. picipes, Fab. 



Plegaderus, 



Pitch-black, shiny ; mouth, antennae and legs reddish. 

 Thorax with sides slightly sinuate behind, apex deeply 

 emarginate, anterior angles prominent, raised border unin- 

 terrupted ; elytra with a humeral and one strong and 

 long dorsal stria ; punctuation fine and diffuse. L. f 1. 

 Scarce. P. dissectus, Er. 



Onthophilus. 



A, Thorax with five ridges, central one interrupted and 

 double in front. 



Oval. Black, dull. Elytra with numerous longitudinal 

 ridges and three much stronger ones on each, alternating 

 with those of thorax. L. If 1. Not common. 



0. sulcatus, Fab. 



JB, Thorax with six ridges, central pair equidistant from 

 each other and from intermediate pair, convergent in 

 front. 



Bounded oval. Black, dullish. Elytra with suture and 

 six ridges on each equally prominent, interstices with fine 

 striae. L. 1| 1. Common. 0. striatus, Fab. 



Abraeiis, 



A, Anterior tibiae angularly dilated in middle. 



Oval. Brown, shiny ; antennae and legs reddish, club of 



