' 34 



There are two spines at the outer angle of the basal peduncular 

 joint of the antennules. The sharp narrow scale passes the end 

 of the peduncle of which the ultimate joint is the smallest. 



The antennae are similar to those of E. Faxoni. 



The outer margin of the merus of the chelipeds has one large 

 proximal spine, and one curved distal one. Except for these 

 both margins are smooth. The carpus has an upper and a lower 

 distal spine. The propodite is not spinulose ; it bears a single 

 spine at the base of the dactyl. 



On the merus of the second pereiopods there are two spines 

 at the middle of the outer side, and two at the distal extremity. 

 The carpus has one proximal, and three large and one or two 

 small distal spines. 



The third and fourth chelipeds have each a distal spine on 

 the merus and the carpus. 



All the pereiopods are chelate except the fifth, in which the 

 fixed finger of the propodite is represented by a short process 

 not half as long as the dactyl. 



The first pleopods are of the adult male type as seen in Poly- 

 cheles. They have the same expanded distal part, with a group 

 of booklets on a small tubercle near the distal end of the inner 

 margin. 



The other pairs of pleopods are similar to those of E. Faxoni, 

 There is no appendix masculina on the second pair. 



The uropods bears small spines on the external margin. They 

 are considerably shorter than the telson. At the outer angle 

 of the basal part of the uropods there is a minute spine which 

 is not present in E. Faxoni (see fig 2). 



Fringes of setae are present on the edges of the pleura, and 

 uropods, on the telson, the median carina of the abdominal 

 segments, and on the pereiopods, except the first pair. 



In the single specimen taken by the Helga the length of the 

 carapace is 18 mm., of the abdomen, 16 mm. The greatest 

 breadth of the carapace is 14 mm. 



Size.— The measurements of the single specimen are as 

 follows : — 



Length 



Length of carapace 

 Breadth of carapace 

 Length of abdomen 



34 mm 

 . . 18 mm 



14 mm 

 . . 16 mm 



Length of antennules 



. . 10 mm 



Length of chelipeds 



.. 20 mm 



Helga. — 



S. R. 231—20 V '05. ca, 50 mis., N. by W. of Eagle Island, 

 Co. Mayo, 55° 1' N., 10° 45' W. Soundings 1,200 fms. 

 Midwater otter trawl, O — 1,150 fms., One, 34 mm. 



