32 A. 0. "WALKEE. 



Lower antennse about half as long as the upper, the peduncles being subequal ; 

 second and third joints subequal. 



Mandibles : First and second joints of the palp together longer than the mandible 

 and four-fifths of the length of the third joint. 



First maxillae : Inner plate with five or six setae. 

 Maxillipeds as in E. longipes, Stebbing. 



First gnathopods : First joint robust ; hinder angle of the third joint acute, as well 

 as the carpal spur, densely setose ; hand much longer than wide. 



Second gnathopods rather longer than the first, the front margin of the second 

 joint produced over the third. 



First and second perseopods very slender, first joint about six times as long as wide 

 and subequal to the next two ; third joint twice as long as the fourth and rather longer 

 than the fifth ; all the joints with a few plumose setas. 



Remaining perseopods increasing in length backwards ; the first joint has the hind 

 margin rather concave, ending below in a sharp tooth, except in the third pair ; the 

 third joint is two-thirds of the length of the fourth, which is about three-fourths of the 

 fifth ; all the joints spinous and clothed with long plumose setae. Dactylus slightly 

 curved, the point blunt with a curved tooth near it. 



Second uropods : Outer ramus about half as long and wide as the inner ; this is a 

 little longer than the peduncle, subequal in extent to the third uropods and spinous on 

 both margins. 



Third uropods: Eami subequal and similar, lanceolate, rather longer than the 

 peduncle, with spines and plumose setae on the inner margin. 



Telson reaching beyond the end of the peduncle of the third uropods, with a small 

 notch at the tip, the terminal divisions acute. 



Recognisable by the relatively small eyes and slender hirsute legs. From its 

 nearest ally, E. holmii, H. J. Hansen (Dijmphna Togtet Krebsdyr, p. 42, PI. 22), it 

 differs in the structure of the gnathopods. 



FAM. CALLIOPIIDiE, G. 0. Sars. 



Oradarea longimana.* 

 Oradarea longimana, A. 0. Walker. 



Cape Adare, 9 Jan. 1902, 20 fm., nine young of various sizes, showing the gradual 

 development of the dorsal teeth. Coulman Island, 13 Jan. 1902, 100 fm., three; 

 W.Q., 19 Nov. 1902, Hut Point, one, length 20 min. ; 10 Jan. 1903, one; 26 Feb. 

 1903, one; 16 Mar. 1903, 35 fm.. Hole 7-, one ; 30 Sept. 1903, Hole 12, one. 



* Mr. Stebbing remarks on this species (Tierreioh, Amphipoda Gammaridea, p. 727) : " Strangely like Lept- 

 amphopua novce-zelandim, G. M. Thomson." It differs, however, from this species as described in Trans. N. Z. 

 Institute, Vol. II. p. 239, Pherusa novm-zelandx, in having only the first two pleon segments dorsally produced 

 in one tooth, instead of the two posterior segments of the mesosome and two anterior of the pleon produced into 

 two teeth ; also in the upper antennae having an appendage. 



