PORTUNIDJB. 



DEC A POD A. 



BRACHYURA. 



PORTUNID^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 rnucronate. 



Cancer corrugatus, 

 Portunus 



PENN. Brit. Zool. IV. 5. t. v. f. 9. HERBST, t. vii. f. 50. 

 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- 



