C A RI D E A. 547 



2. Mantis margine inferiors Integra. Dens antennarum internarum liasulii arliculo primo viz longior. 



a. Orbitse margo inermis. 



ALPHEUS OBESO-MANUS. 



Rostrum brevissimum, in carinam paulo postice productum. Squama 

 antennarum externarum basalis basi nan brevior, basi internarum 

 multo brevior ; dens internarum basalis perbrevis ; articulus 2dus Imo 

 plus duplo longior. Psdes antici valde incequi, manu majore Icevi, 

 elongatd, obesd, non compressd, versus apicem angustiore, digilo mobili 

 perbrevi, malleiformi, minore lineari, digitis brevissimis. Pedes 2di 

 portentose elongati, Stiis plus duplo longiores, carpi articulo Imo quad- 

 ruplo breviore quam 2dus, Btio 4to btoque brevibus, subatquis. Arti- 

 culus pedis 3tii Stius apice inferiore acutus. 



Beak very short, continued in a carina for a short distance along the 

 back. Basal scale of outer antennae not shorter than their base, 

 considerably shorter than base of inner antennas ; basal tooth of 

 inner antennas very short, second joint more than twice as long as 

 first. Anterior feet very unequal ; larger hand smooth, elongate, 

 rotund-obese, not compressed, narrowing towards apex, moveable 

 finger very short, mallet-shape ; smaller hand linear, fingers very 

 short. Feet of second pair exceedingly long, more than twice as 

 long as third, first joint of carpus one-fourth the length of second, 

 third, fourth, and fifth short, nearly equal. Third joint of third or 

 fourth pair of legs, acute at lower apex. 



Plate 34, fig. 7 a, front, enlarged ; b, part of outer maxilliped ; c, 

 larger hand (left) ; d, smaller hand; e, leg of second pair; /, part of 

 third or fourth pair. 



Feejee Archipelago. 



Length, three-fourths of an inch. Second joint of inner antennae 

 full one and a half times as long as the first, and basal scale of outer 

 pair hardly reaching beyond its apex. Larger hand without carina}, 

 tubercles, or furrows. Fingers of hands very short, those of smaller 

 hand hardly exceeding one-fourth the hand in length. Fifth joint of 



