CAPRELLA. 215 



elongated, without teeth or tubercles ; lower antennae ciliated. 

 First joint of thorax not swollen above the insertion of se- 

 cond pair of legs; the hands of second pair nearly oval, 

 truncated in front and below ; the male has three teeth, the 

 female only one, on the lower margin. Half an inch long. 

 " On the coast in various places. Devon ; Firth of Forth; 

 Berwick Bay, among corallines, in deep water. 



Caprella l^evis, Goodsir. Smooth Skeleton, Screw. — 

 Larger than the last, being an inch long. Head nearly 

 triangular ; swelling on the first joint of thorax, near the 

 hind edge. 



Firth of Forth (Goodsir) . 



Caprella acanthifera, Leach. Spined Skeleton Screw. 

 ■ — Head oval, short, and rounded above. First joint of 

 thorax swollen above insertion of first pair of legs ; second 

 pair of legs very hairy; their hand strongly notched beneath, 

 and with a strong tooth below. Length, half an inch. 



British coast. 



Caprella tuberculata, Goodsir. Goodsir' s Skeleton 

 Screvj. (Plate XL fig. 5.) — Allied to the last, but may be 

 distinguished by the double fringe of spines on the lower 

 edge of the inferior antennae : the upper antennas are also 

 much shorter than in preceding species. 



