52 STALK- AND SESSILE-EYED CRUSTACEA 
ELAMENA. 
Elamena, M. Edw. Hist. Nat. Crust. ii, p. 33, (1837). 
Carapace depressed, flat, and sub-triangulate in form. Inner 
antenne completely concealed by the front. Buccal cavity completely 
defined in front by a transverse margin, Third joint of the external 
maxillipeds nearly as large as the second. Anterior legs large and 
stout. Ambulatory legs long and very slender. 
58. Elamena quoyi. 
Elamene quoyi, M. Kdw. Ann. Sci. Nat. (ser. 3), xx, p. 223, 
pl. xi, fig. 3, (1853). 
Carapace broader than long, and without marginal spines. Legs 
short. (M. E.). 
New Zealand (Coll. Mus. Paris). 
M. Edwards only gives the above short diagnosis of this species ; in 
the figure the rostrum is represented as very short, broad, and obtuse, 
not projecting beyond the eye-peduncles, carapace with the sides 
arcuate. Anterior legs short and rather slender, the whole animal 
destitute of hairs. 
59. Elamena whitei. Pl. |, fig. 4. 
Elamena whitei, Miers, Ann. Mag. Nat. Hist. (ser. 4) xvu, p. 221, 
(1876). 
Halicarcinus depressus, White, Ann. Mag. Nat. Hist. xvii, p. 178, 
(1846), nec Hymenosoma depressum, Jacq. and Lucas. 
Carapace sub-triangular. Front between the eyes broad lamellate, 
and concave above, projecting considerably beyond them, and suddenly 
narrowing towards the extremity, which is acute. There is a small 
tooth external to the eyes. Anterior legs in the male very long, 
slender, and hairy, without spines. Length and breadth rather more 
than + in. 
New Zealand ; Bay of Islands (Coll. Brit. Mus.). 
The specimens referred to /7, depresswn by White, differ from the 
figure in the Atlas of the Voyage au Pole Sud, in several important 
particulars, as will be seen from the above description, and I have 
thought it advisable to give them a distinct specific designation. From 
