48 BEETLES. 



the pronotum, which is generally much broader than long. 

 The abdomen has raised lateral borders. The antennae are 

 elbowed, the first joint being long. The males often have 

 horns on the head or pronotum. They reside in the sand on 

 the banks of streams and lakes, in holes which they have made 

 for themselves. 



* B. tricornis, Herbst. Black, with reddish-brown antennae 

 and legs. The elytra are red, and there is a triangular black 

 mark on the pronotum. On each side of the front of the 

 head there is a rather long, broadly-compressed horn. The 

 thorax and elytra are closely punctured. The end of the 

 abdomen is red. Length, 5-7 mm. It is only found in salt 

 marshes, &c. 



* B. fradicornis, Payk. Black, with the legs and base of the 

 antennae red. The elytra are black or red, closely and deeply 

 punctured. The pronotum has a longitudinal furrow. Length, 

 2 mm. It is local. 



Genus Oxytelus, Grav. 



Body of uniform breadth, flattened. Wings are present. 

 The head is prominent, and is attached to the pronotum by a 

 very short neck. The elytra are short, scarcely as long as they 

 are broad, and usually a little broader than the pronotum. 

 They live in dung, under damp moss and dead leaves, and a few 

 in sandy shores. The two following are very common species. 



* 0. rugosus, Ribr. Black, and somewhat shining, with 

 reddish pitchy-brown legs. The front of the head, the pro- 

 notum, and wing-cases are all deeply and closely punctured, 

 the pronotum with three longitudinal grooves. Length, 

 4-i mm. 



* 0. deprcssus, Grav. The head, pronotum, and elytra are 

 very finely and closely shagreened, and the front of the lic;id 



