322 ASELLID^. 



inner one large and oval, setose at the tip. The outer 

 ventral scales are free, forming together nearly a circle, 

 each divided into two nearly equal parts by a somewhat 

 diagonally-placed articulation ; at their base is attached, 

 in the males, two minute triangular plates and the 

 elongated male organ, which extends to the above-men- 

 tioned articulation. The legs are terminated by two 

 minute curved ungues. 



Rathke obtained his specimens at Cape Parthenon, in 

 the Crimea, under stones ; our specimens were taken at 

 Plymouth, and in Langland Bay, South Wales. 



