$22 OX SOME XEW GENERA AND SPECIES OE AMPHIPODA, 



Ceplialon with a slight rostral prolongation. Posterior segments 

 of the pleon compressed. Eyes large, round, red. Superior 

 antennae as long as the ceplialon and the first three segments of 

 the pereion ; peduncle stout, the second segment produced 

 above into a strong tooth at the distal end ; nagelluni longer than 

 the peduncle, tapering, of about seven articnli. Inferior antenna) 

 rather longer than the superior pair ; peduncle and nagelluni 

 subecjual. Anterior gnathopoda with the propodos oblong, more 

 than twice as long as broad, the palm oblique, short, armed with 

 a few very short hairs. Posterior gnathopoda with the carpus 

 produced inf ero-distally into a prominent, distally rounded j)rocess 

 armed terminally with a few hairs ; propodos ovate, narrowed 

 distally, palm oblique, defined by the distal process of the carpus, 

 armed with a few short bristles. Pereiopoda sub equal, slender. 

 Last three pairs of pleopoda successively decreasing in length 

 posteriorly 5 rami short, pointed, unarmed. Telson very large, 

 laterally compressed, blade-like, nearly as long as the last pair 

 of pleopoda, the upper border convex, the lower nearly straight. 

 Ornamented with numerous brown dots disposed in lines on the 

 lateral shields and the body. Length about l/10tli in. 



Hal. Clark Island, Port Jackson. 



Sub-family LYSIANASSIDES. 



Genus Glycera, Haswell. 



Glycera tenuicornis, mihi. 

 Glycera tenuicornis, HaswdJ, Proc. Linn. Soc, JY.S.JF., p. 257. 



I 



I have recently obtained a specimen of this peculiar species in 

 Port Jackson. The original habitat was the Howick Group of 

 Islands, off the North-east coast of Australia, so that its range 

 would appear to be very extensive. 



