46 



PARTHENOPIDJ3. 



DEC A POD A. 



BRACHYURA. 



Eurynome aspera. Leach. 



Specific character. Rostrum less than one-fourth the total length of the body. 

 Carapace covered with numerous small warty tubercles, regularly disposed. 



Cancer aspcr, 

 Eurynome aspera, 



spinosa, 



PENNANT, Brit. Zool. IV. t. x. f. 3. p. 13. 



LEACH, Malac. Brit. t. xvii. EDW. Hist. Crust. I. p. 



351. 

 HAILSTONE in Mag. Nat. Hist. VIII. p. 549. 



THE carapace of this very pretty Crab is irregularly rhom- 

 boidal, the anterior triangle being longer than the posterior, 

 which latter is somewhat rounded ; the rostrum is less than 

 one-fourth the whole length of the carapace, bifurcate, the 

 lacinise somewhat divergent, acute, and flattened. There 

 is a large triangular laminar tooth at the outer angle of the 

 orbit, and there are three smaller ones at the lateral mar- 

 gin of the branchial region. The carapace is covered with 

 numerous small, round, warty tubercles, which, on a close 

 examination, are found to be distributed with perfect regu- 

 larity. The most conspicuous of these are two on each 



