94 



PORTUNID.E. 



DEC A POD A. 



BRACHYURA. 



VORTUNID/E. 



WRINKLED SWIMMING-CRAB. 



Portunus corrugatus. Leach. 



Specific character. — Carapace with numerous raised serrato-granular, hairy, 

 transverse lines ; front three-lobed, the lobes crenulated, the middle one the 

 largest ; latero-anterior margin on each side five-toothed. Terminal joint of the 

 posterior feet, with a raised median and marginal line, lanceolate and mucronate. 



Cancer corrugatus, Penn. Brit. Zool. IV. 5. t. v. f. 9. Herbst, t. vii. f. 50. 



Portunus „ Leach, Edinb. Encycl. VII. p. 390. Trans. Linn. 



Soc. XI. p. 315. Malac. Brit. t. vii. f. 1, 2. Edw. 



Hist. Nat. Crust. I. p. 443. 



The carapace in Portunus corrugatus, is about four-fifths 

 as long as it is broad, elevated, with the regions distinct, 

 and marked with numerous transverse elevated lines ; the 

 front is three-lobed, the lobes crenulated at the margins, 

 the middle one the largest ; the latero-anterior margin five- 



