C A R I D E A. 



565 



flagellum of inner antennae reaching beyond apex of beak, larger 

 a little longer than the other. Anterior feet very short, hand sub- 

 ovate, carpus much shorter than hand, scarcely oblong. Feet of 

 second pair shorter than third, carpus three-jointed. Tarsi of six 

 following feet spinulous below, spinules of apex long, and thence 

 gradually becoming shorter. 



Plate 36, fig. 3 a, part of body, enlarged six diameters ; b, part of 

 leg of second pair, ibid. ; c, hand of first pair, ibid. ; d, hand of first 

 pair, enlarged twenty-four diameters ; e, extremity of leg of third pair ; 

 /, tarsus of same leg, enlarged seventy diameters. 



Dredged in the harbour of Rio Janeiro, along with the H. exili- 

 rostratus. 



Length, eight lines. The beak has an angle below, unlike that of 

 the exilirostratus, and also, two teeth, besides a bifid apex. The tarsi 

 of the six posterior legs are also different, in having longer spinules 

 below; and the preceding joint is linear in outline, with pairs of 

 spinules on the inner margin. The carpus of the first pair of legs is 

 hardly longer than broad, and is articulated with the hand by the 

 lower apex. Eyes long, and a spine on the carapax over each eye. 



2. Rostrum super carapacis dorsum productum. 

 Hippoltte gibbosus, Edwards. 



Plate 36, fig. 4 a, animal, natural size ; b, beak ; c, part of leg of 

 first pair, enlarged ; d, ibid, of second pair ; e, under view of part of 

 abdomen. 



In Feejees, along shores of Viti Lebu; also, at the Sandwich 

 Islands. 



Length, two and one-fourth inches. Colour of a Feejee specimen, 

 clouded with light verdigris-green and flesh-red, the tints delicate, but 

 colours opaque j legs and antennae, banded with olive-green and a 

 paler greenish shade. Anterior legs very slender, the hand not 



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