GaminaviJa from New Zealand. 449 



scattered minute spines on its outer surface ; the distal end 

 of the joint is transverse ; behind the articuhition of the 

 dactvlos is an acute to«)th, tuUowed by a huge rounded pro- 

 tuberance at tlie joint ; pahn turni.shed with one very lari^e 

 powerful conical tooth, tbllowed by a deep indentation, while 

 the postero-inferior extremity of tlie pahn is occupied by a 

 square tooth, the top of which occupies more than a third of 

 the length of the whole palm ; dactylos strong, slightly 

 curved, reaching a little beyond the end of the pahn. 



First and second per iopods ^\*t\\(\^tv ; third siont; fourth and 

 Jifth increasing in length posteriorly, rather slender and 

 sjiinously setose. 



PU'opuda well developed. 



First uropods the longest ; basal portion carrying five 

 spines, which increase in length outwards, on the inner margin, 

 and Hve or six very short ones on the outer ; between the 

 branches is a large acute spine ; branches subequal, shorter 

 than the basal portion, furnished with a few spines. 



Second uropods with only two or three spines on each side 

 of the base ; inner brancii about subequal with the base, 

 somewhat longer than the outer, both spinose. 



Third uropods shortest; branches subequal, slightly shorter 

 than the base, spinose. 



Telson subquadrate, the sides converging posteriorly, deeply 

 cleft, each extroniity bearing one spine-like seta. 



Length 4-4'5 uiilliu). ; depth of body about one fifth of 

 the length. 



Hab. Taken with the dredge in about 8 fathoms in the 

 Bay of Islands. 



Mcera Haswelli*, sp. u. (PI. X. figs. 6-10.) 



Body slender and compressed. 



Cephalon produced at the sides into an acute angle between 

 the bases of the first and second pairs of antennae, not rostrate 

 above. 



Eyes with about eighty to ninety ocelli, produced well 

 forward on the sides of the cephalon. 



First antennce with the first and second joints very short 

 and almost merged into the front of the cephalon ; third joint 

 more than twice as long as broad, almost destitute of setaj. 

 The three joints together are not more than two thirds as 

 long as the cephalon ; fourth joint slender, nearly twice as 

 long as the third, with a i'ew long seta} on the lower margin; 

 fifth joint only about half as long as the fourth, also sparingly 



* Named in honour of Prof. Haswell, F.R.S., of Sydney University. 



