BY WILLIAM A. 1IASWELL. M.A., B.SC. 259 



much narrower, provide 1 below with a fasciculus of short hairs ; 

 third joint half the length of the second, scarcely distinguished 

 from the articuli of the flagellum ; flagellum nearly as long as 

 the peduncle ; appendage nearly as long as the flagellum, of 

 about fifteen articuli. Inferior antenna) rather longer than the 

 superior pair ; fourth joint of peduncle broad, its upper surface 

 straight, its lower convex and provided with two ridges armed 

 with longish hairs ; fifth joint as long as the fourth and of 

 similar shape, but narrower, armed with hair below ; flagellum 

 as long as the last two segments of peduncle. Coxa3 fringed with 

 slender hairs. Gnathopoda hairy. Anterior pair with the 

 propodos ovoid, twice as long as broad ; the palm oblique, defined 

 by a strong tooth. Posterior pair with the propodos similar to 

 that of the anterior, but rather broader, with the palm slightly 

 less inclined to the long axis of the propodos, and the defining 

 tooth larger. Two anterior pairs of pereiopoda sub- equal, hairy, 

 their meros and carpus broad. Three posterior pairs serrated 

 and hairy ; fourth pair much longer than the others, longer than 

 the pereion ; basa of the third and fourth pairs much longer than 

 broad ; fifth pair very small, the basos dilated posteriorly, broader 

 than long, its posterior margin armed with fine serrations. Rami 

 of sixth pleopoda broad-lanceolate ; outer longer and broader 

 than inner, serrated; inner smooth; both armed with seta?. 

 Telson with the halves broad, compressed, truncate, bordered 

 with a few hairs. 



Length seven lines. 



Dredged in Port Jackson. 



Phoxus Batei, sj). nov. (PI. IX. fig. 3.) 



Rostrum as long as the rest of the cephalon, straight, obtuse. 

 Eyes distinct, long-oval. Superior antenna) with the peduncle 

 extending beyond the extremity of the rostrum ; first joint of the 

 peduncle nearly as broad as long ; second as long as the first, but 

 of only about half the breadth ; third joint about one-fourth of 



