544 CRUSTACEA. 



pilis apicem digiti mdbilis omnino celantibus. Pedes 2di Stiis multo 

 lonyiores, carpi articulis Imo 2doque fere cequis, 2do longiore quam 

 5tus. 



Beak long and acute, the surface between the eyes slightly carinate. 

 Basal scale of outer antennae not longer than base ; second joint of 

 inner antennae nearly twice as long as first joint. Anterior feet 

 very unequal, larger hand nearly as in A. Edwardsii, the excava- 

 tion in inferior margin concave, and not triangular, arm having an 

 acute tooth or spine at inner apex ; smaller hand narrow oblong, 

 somewhat pubescent, fingers densely hirsute within, hairs covering 

 wholly extremity of moveable finger. Second pair of feet much 

 longer than third, carpus having the first and second joints nearly 

 equal, and second longer than fifth. 



Plate 34, fig. 4 a, front and base of antennae, enlarged two dia- 

 meters ; b, large hand (left) ; c, smaller hand ; d, part of second pair 

 of feet ; e, part of third pair. 



Island of Tongatabu, Pacific Ocean. 



Length of body, one and three-fourths inches. Colour, dull olive 

 green ; legs, bright yellow. The hairs of inner edge of fingers of 

 smaller hand are dense ; they become super-marginal gradually and 

 meet from either side on the upper surface of the upper finger, some 

 little distance from the apex. The fingers of the larger hand are a 

 little pubescent. The hand of the second pair of feet has a few short di- 

 varicate hairs. The tooth at base of inner antennae extends to apex of 

 first joint. The fifth joint of the third and fourth pairs of feet has 

 about six sets of spinules on inner margin. The outer surface of the 

 larger hand is uneven, very nearly as in the Edwardsii. 



ALPIIEUS PACIFICUS. 



Rostrum breve, acutum, superficie inter oculos breviter carinatd. Squama 

 antemiarum externarum basalts basi plane* brevior; articulus anten- 

 narum internarum 2dus IH?O duplo longior. Pedes antici multo 

 inwqui; manus major is sinu wfero-marginali prof wide* trianc/ulato, 



