1Q - CRUSTACEA, 



loo 



recto, tenui, non deflexo, marghie antero-laterali late b-dentato, dentibm 

 brevlbm, secundo vcdde obtuso. Pedes cmtici crasd, m<mn extus su- 

 praque Icevij reliqui compressi, marginibus jrilosi, artimdis quarto quinto 

 ei prcecipue sexto (torso) dorsum spinuloso-gramdatls. Abdomen 

 maris b-articulatmn articulo tertio triplici, quarto pernio oblongo, 

 quinto triangidato, obtuso; femince 7-articidatum. 



Carapax broad, distinctly but lightly areolate, front between the outer 

 antenna? nearly straight, thin, not defiexed ; anterolateral margin 

 with five broad teeth, teeth not very prominent, the second very 

 obtuse. Anterior feet stout, hand on upper and outer sides smooth j 

 following pairs of feet compressed, margins fringed with hairs, 

 fourth, fifth, and especially sixth joint spinuloso-granulate above. 

 Abdomen of male five-jointed, third segment consisting of three 

 normal segments, fourth a little oblong, rectangular, fifth (last) 

 triangular, obtuse; of female, seven-jointed. 



Plate 10, fig. 1 a, male, natural size, from the Feejees; % hand, 

 left side, natural size; c, hand of a smaller individual, natural size; d, 

 abdomen; e, female abdomen, natural size. Figure 1/ young female, 

 natural size; g, hand, much enlarged; g', same, natural size; //, abdo- 

 men, natural size. 



Reefs of Feejee Islands ; also Sandwich Islands. 



Length of carapax of large specimen, one inch and seven lines ; 

 greatest breadth, two inches and seven lines; ratio of length to 

 breadth, 1 : l'C. Of another specimen, the female from which fig. t 

 was taken, length, nine and one-fourth lines ; greatest breadth, four- 

 teen lines, and ratio, 1 : T52. The posterior region of carapax is 

 nearly even. The two teeth T and S are somewhat prominent and 

 subacute, even in the adult, and more prominent in young individuals. 

 E and N, are obtuse in adults, and N, always so in the young. The 

 front is lamellar and projecting. The areolets 2 L, 3 L, 4 L are dis- 

 tinct, except in full-grown adults; 2 F is hardly seen. The insertion of 

 the outer antennae is in the notch between the outer and inner lobes 

 of the front, and the inner lobe adjoining it projects forward consider- 

 ably beyond the insertion. In the large specimen, the fingers have 



