LINEAR CRAB. 
Generic Character. 
Legs generally eight, (in some species six or 
ten,) besides t wo elaspers or chelated arms. 
Eyes two, commonly distant, footstalkcd, 
moveable. 
Tail articulated. 
Specific Character, &c. 
LINEAR-BODIED CANCER, with mono- 
daetylous feet. 
ONISCUS SCO I .OPEN D R OID ES ? 
Pall. sp. zool. y. t. 4.f 15. 
CIIEVROLLE LINEAIRE, 
Latreillc. 
This very small species of Crab is found about 
several of the European coasts. It is represented on 
the annexed plate both in its natural size, and as it 
appears when viewed by a microscope. 
