21G AUSTRALIAN MALACOSTRACA. 



pereion ; peduncle and flagellum subequal, the fifth joint of the 

 former longer than the fourth. Superior antennae equalling in 

 length the third and fourth segments of the peduncle of the 

 inferior pair. Mandibles very powerful, resembling in general 

 form those of Talitrus si/lvaticus, the cutting edge with 

 several strong curved teeth, between which and the grinding 

 tubercle are seven slender ciliated spines ; the molar tubercle 

 broad, crossed by numerous very fine, acute transverse ridges. 

 Maxillipedes non-unguiculate, the edges of the two terminal 

 segments and of the lateral plates armed with numerous setae. 

 Anterior gnathopoda subchelate, carpus and propodos subequal, 

 armed with setae ; propodos subtriangular, palm transverse, 

 hairy, defined by a rounded elevation, superior border with five 

 setiferous serrations. Posterior gnathopoda with the propodos 

 large, varying in size ; usually about four times as long as that 

 of the anterior pair, sub-quadrate, the palm transverse, excavated, 

 armed with a few minute teeth. First pair of pereiopoda rather 

 longer than the second ; third pair much shorter than fourth and 

 fifth ; fifth the longest, its basos much broader than that of the 

 others ; three posterior pairs armed with setae, set on lateral 

 serrations. Posterior pleopoda with the ramus slender. Telson 

 triangular, blunt, cleft. 



Female. Anterior gnathopoda subpediform, the propodos 

 narrowing distally, its superior border serrated, setiferous, its 

 lower border setiferous, entire. Posterior gnathopoda with the 

 carpus and propodos narrow, the dactylos rudimentary, not 

 reaching to the extremity of the propodos. Colour white, with 

 irregular light-red spots. Length 6 lines. 



Found on most sandy beaches on the coast of New South 

 Wales (Manly, Bondi, Kiama), under masses of decaying sea- 

 weed above the reach of ordinary tides. 



395. Talorchestia limicola. 



Talorchestia limicola, Haswell, 1. c, Vol. v., p. 98, pi. v., fig. 2. 



Hale. Superior antennae as long as the cephalon and first 

 segment of the perion, flagellum as long as the last two segments 

 of the peduncle, of five articuli. Inferior antennae four times as 

 long as the superior pair, peduncle and flagellum sub-equal, the 

 latter consisting of twelve articuli. Anterior gnathopoda having 



