258 ON AUSTRALIAN AMPHIPODA. 



as long as the propodos ; the plate of the ischium furnished along 

 its inner margin with a series' of eight short, broad, compressed 

 spines, succeeded towards the apex by long and slender spines. 

 Ghiathopoda non-subchelate ; the anterior pair with the meros, 

 carpus and propodos of nearly equal length, narrow, furnished 

 with long simple hairs ; posterior pair similar, but shorter and 

 slightly stouter ; dactylos two-thirds of the length of the propodos. 

 Two anterior pairs of pereiopoda with the carpus very short, 

 about one-fifth of the length of the meros ; the propodos nearly 

 twice as long as the carpus, narrower ; the dactylos as long as 

 the carpus and propodos, nearly straight. Posterior pereiopoda 

 with the dactylos very small, directed backwards ; meros of the 

 third and fourth pairs shorter than the carpus ; carpus and 

 propodos subequal, fringed with long hairs ; basos of last pair 

 narrower than that of third and fourth, its posterior edge with a 

 blunt projection, armed with long bristles ; the meros very short 

 and broad ; the carpus longer than the meros and slightly narrower; 

 the propodos shorter than the carpus, narrowed towards the 

 dactylos, which is long, slender and slightly curved. Sixth pair 

 of pleopoda longer than the fifth pair, with the rami broad- 

 lanceolate, the outer armed on one border, and the inner on both 

 with slender setse, the longest of which are about half the length 

 of the ramus, Telson squamif orm, cleft, rounded posteriorly. 



Length four and a half lines. 



Hal. Port Jackson, at depths of about five or six fathoms. 



Sub-fam. PHOXIDES. 



Genus Phoxtts, Kroyer. 



Phoxus villosus, sp. now (PI. IX. fig. 2.) 



Rostrum as long as the remainder of the cephalon, blunt. 

 Eyes small, oval. Superior antennse equalling in length the 

 cephalon and rostrum ; first segment of the peduncle twice as long 

 a,s broad, second scarcely two-thirds of the length of the first and 



