458 DESCRIPTION OF THE MUSEUM. 



UmulL As all the species are labelled, we shall 

 mention only those which are most worthy of 

 attention. They are, ist, the spiny podophthal- 

 mus {p. vigil, Leach), whose eyes are situated at 

 the extremity of very long moveable peduncles. 

 2d. The ocypode {cancer eques) which has the 

 same organ surmounted by a tuft of hair, and 

 which has been so named from the swiftness of its 

 course. 3d. The river crab, so celebrated among 

 the ancients. 4 tn - The gelasima maracoani^ one 

 of whose claws resembles a large pair of scis- 

 sars. 5th. The masked grapsus of New Holland. 

 6th. The cancer pelagicus, also called cedo-nulli; 

 it is distinguished by the marbled veins on its 

 shell ; and the p. forceps, whose claws are slen- 

 der and fringed. 7th. The parthenope, Fabr., 

 so extraordinary from the size of the claws, 

 and by the inequalities and colour of the shell 

 which give it the appearance of a stone. 

 8th. The hermit crab (pagurus, Fabr.), which 

 enters into any vacant univalve shell and drags 

 it along. 9th. The phyllosoma, which is as thin 

 as a leaf. 10th. The squilla, whose claws are 

 shaped like harpoons ; and other smaller speci- 

 mens of the species contained in the boxes above 

 the cornices, many of which are eatable ; such as 

 cancer pagurus, large edible crab, the c. mcenas 

 and the c. puber. 



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