304 Natural History Bulletin. 



the antennae, and the more dilated tibiae, the posterior ones 

 arcuate, the last ventral sHghtly impressed. 



$. Antennal joints longer than wide, the fifth and sixth 

 slightly larger and longer than their neighbors, and the frontal 

 foveee more conspicuous. 



Habitat. Texas. Plate IX., Fig. 73, antennee, $ and ?. 



I can not find any difference between the female and B. 

 comphctens according to the description of Leconte except 

 the size, which is -often deceptive. 



[Continued in Bulletin, Vol. II , No. i.] 



