ASELLIDiE. 
225 
ceolate. Legs very slender, and placed near the side of 
the thorax. 
Coast of Devon ; Sidmouth. 
Gen. 109. ANTHURA, Leach . 
Body very slender; antennse very short, of six or eight 
joints. Tail furnished with two plates on each side. First 
pair of legs with a small, slightly swollen hand, which is 
subchelate, the six following pairs slender. 
Anthura gracilis, Montagu, sp. (Plate XII. fig. 4.) — 
Body nearly cylindrical ; head elongated, and nearly as wide 
as the thoracic segments ; last segment of abdomen rounded 
at the end. 
Coast of Devon. 
Pam. ASELLIDJE. 
End of the abdomen with style-shaped appendages. 
Body more or less elongated and often linear ; first pair of 
antennse very small, inserted near the median line ; abdo- 
men of several distinct joints, the last large and shield- 
shaped. 
The species of this family are all aquatic. Some of 
Q 
