940 



CRUSTACEA. 



terete; the setse of the outer side are shorter than the joints; those of 

 the inner longer than the joints. The hands of the two pairs are very 

 similar, and those of the first pair about half the length of those of 

 the second. The finger is scarcely half as long as hand ; the hand is 

 densely hairy at apex and on the inner margin, the hairs being hardly 

 longer than breadth of hand. The third and fourth pairs of feet are 

 subequal. The fifth pair is small. The first joint of the last three 

 pairs is quite broad. The abdomen is without a spine or acute pro- 

 cess on the back. 



The specimen was probably a female. 



A. tongensis, Dana, Proc. Arner. Acad. Sci., Boston, ii. 216. 



Amphithoe peregrina. 



Feminse? — Corpus gracile, epimeris latiusculis, margine sparsim ciliatis. 

 Antennae lmce fermb dimidii corporis longitudine, articulo primo 

 longiore, flagello duplo long lore quam basis, 12-artimlato, articulis 

 parce oblongis, setis brevibus ; 2dw fere dimidio breviores, basi lon- 

 giore quam basis 1-marum, articulo tertio longiore, flagello Q-articidato, 

 subulato, paulo breviore quam basis. Manus prima et secunda sub- 

 o3quo3, parvulai, oblongas, infra arcuatce, digito minicto. Pedes tertii 

 quartique submqui, nan breviores, articulo primo latissimo; reliqui 6 

 non longi, sensim parce increscentes, setis minutis, articulo primo lato. 



Female ? — Body somewhat slender, epimerals rather broad, edged with 

 four or five short setse, fifth pair large. Superior antennge about 

 half as long as body, first joint longest, fiagellum twice the length 

 of the base, twelve-jointed, joints sparingly oblong, setae short ; in- 

 ferior pair nearly half shorter, base longer than base of superior 

 pair, third joint longest, fiagellum six-jointed, subulate, a little 

 shorter than base. Hands of first and second pairs of feet quite 

 small and nearly equal, oblong,' arcuate below, finger minute. 

 Third and fourth pairs of feet subequal, not shorter than second, 

 first joint very broad. Remaining six rather short, increasing 

 slightly in length from fifth to seventh, setse minute, first joint 

 broad. 



Plate 64, fig. 4 a, animal, enlarged ; b, outline of eye. 



