90 



PORTUNJDJ2. 



DEC A POD A. 



BRACHYURA. 



PORTUNIDJE. 



VELVET SWIMMING-CRAB. 



Portunus puber. 



Specific diameter. Hinder feet with a longitudinal elevated line ; body pubes- 

 cent ; front with numerous small spiny teeth. 



Cancer puber, LINN. Syst. Nat. XII. 1046. 



velutinus, PENN. Brit. Zool. IV. p. 5. t. iv. f. 8. 



Portunus puber, LEACH, Malac. Podophth. Brit. t. vi. EDW. Crust. I. 



p. 441. 



THE carapace of this species is broader than it is long- 

 in the proportions of four to three. The anterior margin 

 forms the segment of a circle, and each latero-anterior 

 portion is furnished with five strong triangular teeth, the 

 margins of all of which, excepting the last, are minutely 

 serrated, and the points are directed somewhat forwards ; 

 the posterior is the narrowest, and finely acuminated. 

 The orbits are very large and open, both margins minutely 



