OF NEW ZEALAND. 3 
Male with the carapace somewhat elongate, triangular, rounded 
o ) (>) 3 
behind. Hands enlarged, often ridged above, the fingers meeting only 
at the tips. Abdomen seven-jointed. 
Female with the lateral margins of the carapace produced on each 
side into two large flattened rounded lobes or expansions. Abdomen 
five-jointed. 
1. Huenia bifurcata. 
Huenia bifwreata, Streets, Proc. Acad. Nat. Sci, Philad. p. 107, 
(1870). 
Carapace smooth, elongated, narrowing in front ; antero-lateral mar- 
gins acute; gastric region with three low tubercles arranged in a 
triangle, with the base directed forward ; cardiac region with a low 
tubercle. Antero-lateral borders produced into sharp processes directed 
forward, outward and slightly upward from the base of the rostrum ; 
lateral projections at the junction of the antero-lateral and postero- 
lateral borders rather broad, directed somewhat upward, and with two 
teeth separated by a concave interval, at their extremities. Postero- 
lateral borders rounded. | Posterior border projecting backward, lip-like, 
slightly everted on each side. Rostrum flattened horizontally at the 
anterior extremity, bifurcated at the pomt. Upper surface covered 
with hooked hairs. Under surface concave. Anterior pair of legs 
about the length of the carapace, with a small tooth directed forward 
at the distal extremity of the third joimt. Second pair longer, Re- 
maining legs considerably shorter, each with a spime at the middle of 
the under surface of the fifth article. Carapace with rostrum 4'> in. 
New Zealand (Mus. Philad. Acad.). 
I have not seen examples of this species. 
HALIMUS. 
Halimus, Latr. Fam. Nat. R. A. p. 272, (1825); M. Edw. Hist. 
Nat. Crust. 1, p. 340, (1834). ' 
Carapace convex, rounded behind, sides converging to the front, and 
usually armed with a series of five spines, extending to the back of the 
branchial region. Spines of rostrum long, and usually divergent from 
their base. There is a supra-ocular spine or tubercle. Basal joint of 
the external antenne oblong, broader than the succeeding, Epistome 
transverse. Third joint of the external maxillipeds with the anterior 
B2 
