FLOATING CRAB. 



135 



DEC A POD A. 



BRACHYURA. 



GRAPSID&. 



FLOATING CRAB. 



Planes Linnaana, Leach. 



? Cancellns marinus minimus quadratus, 



? Grapsus testudinum, 

 ? Cancer minutus, 



? Grapsus, 



? cinereus, 



? Nautilograpsus minutus 



Planes Linnceana, 



SLOANE, Nat. Hist. Faun., II. p. 270. 



t. ccxlv. fig. 1. 



Roux, Crust. Mediterr. t. vi. figs. 1 6. 

 FABR. Syst. Ent. XI. p. 443, ejusd. 



Suppl. 343. HERBST, I. t. ii. fig. 



32. 



LATR. Hist. Nat. Oust. VI. p. G8. 

 SAY, Journ. Acad. Sc. Phil. p. 99. 

 EDW. Hist. Crust. II. p. 90. 

 LEACH, MSS. Brit. Mus. 



THE carapace in this species is nearly quadrate, with the 

 sides somewhat rounded, and slightly contracted posteri- 

 orly : it is of a generally depressed form ; the surface 

 smooth but not polished ; and there are on the posterior 

 part of the branchial region several faint stria3, occupying 

 the place of those which are so conspicuous in the genus 

 Grapsus, and some other forms of this family. The front 



