MINUTE PORCELAIN CRAB. 



DEC A POD A. PORCELLANAD^E. 



ANOMOUBA 



MINUTE PORCELAIN CRAB, 

 Porcettana longlcornis. 



Specific Character. Front three-Iobed, the middle lobe with a deep groove ; 

 hands unequal, long, narrow, and convex. 



Cancer langicornis, PENN. Brit. Zool. iv. HERBST, II. t. xlvii. f. 3. 



Pisidia Linnaeana, LEACH, Diet, des Sc. Nat. XVIII. p. 54. 



Porcella/ia Leackii, GRAY, Zool. Miscell, 



longicornis, EDW. Hist. Nat. Crust. II. p. 257. 



THE carapace is nearly circular, convex, nearly smooth, 

 with a distinct thin lateral margin ; the front with three 

 lobes, the middle one so deeply grooved as to appear bifid ; 

 there are a few obsolete lateral striae over the branchial 

 regions. The external antennae very long and slender ; 

 the internal of moderate length. The anterior pair of legs 

 very unequal, the larger being, in many cases, half as long- 

 again, and nearly twice as broad, as the smaller one : in the 

 former, the arm is very short, the wrist large and quadrate, 

 the sides being parallel ; the hand is convex, very slightly 



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