

BY WILLIAM A. IIASWELL. M.A., B.SC. 269 



rather longer than the propodos ; the latter ovate ; palm oblique, 

 notched. Posterior gnathopoda with the propodos large, ovate, 

 more dilated in the male than in the female, palm defined by 

 a strong, acute tooth, and armed in the male with two other 

 prominent teeth. Two anterior pairs of pereiopoda sub-equal. 

 Third pair rather shorter than the fourth and fifth ; basos of the 

 three posterior pairs produced at its postero-distal angle ; meros 

 carpus and propodos serrated and hairy. Fifth pair of pleopoda 

 much shorter than the fourth. Sixth pair large, with a stout 

 protopodite and two broad-lanceolate rami ; the latter serrated 

 and armed with setae. Telson double, each half ending in a sharp 

 spine, and armed with a bundle of stiff seta). 



Length eight lines. 



Hah. Tasmania fM.-M.J 



Fam. COEOPHIIDiE. 



-. 



Sub-fam. PODOCEKIDES. 



Genus Amphithoe, Leach. 



Amphithoe cinerea, sp. nov. (PI. XL, fig. 4.) 



Eyes round, projecting, almost colourless. Superior antenna) 

 more than half of the length of the body ; first segment of the 

 peduncle shorter than the second ; third joint very short ; flagellum 

 much longer than the peduncle. Inferior antennae shorter than 

 the superior pair ; flagellum shorter than the last two segments 

 of the peduncle. Anterior gnathopoda with the propodos long- 

 ovate, armed with hairs, the palm oblique, undefined. Posterior 

 gnathopoda with the propodos broader, but rather shorter than 

 that of the anterior pair, hairy ; palm oblique, convex, devoid of 

 teeth, but with a tubercle near its distal end. Two anterior pairs of 

 pereiopoda sub-equal, stoutish. Third pair with the basos sub- 

 circular ; basa of fourth and fifth pairs oval. Posterior pleopoda 

 rather short, the rami not extending so far as those of the fifth 

 pair ; the outer ramus short, armed with' two hooks ; the inner 



