68 
THE VOYAGE OE H.M.S. CHALLENGER. 
distal extremity. Basal antennal joint very mucli enlarged. Eye-peduncles very long, 
geniculated and laterally projecting. 
The carapace, in the genera referred to this subfamily, is commonly somewhat con- 
stricted behind the orbits. I have already, in the memoir above cited, referred to the 
curious modification in the structure of the rostrum. 
Pseudomicippa, Heller. 
Pseudomicippe, Heller, Sitzungsb. math.-nat. Cl. k. Akad. Wiss. Wien, vol. xliii. p. 301, 
1861. 
„ Miers, Journ. Linn. Soc. Lond. (Zook), vol. xiv. p. 661, 1879. 
1 Microlialimus, Haswell, Proc. Linn. Soc. N.S.W., vol. iv. p. 435, 1880. 
The carapace is elongate-pyriform, moderately convex and tubercu lated on the dorsal 
surface, somewhat constricted at the hepatic regions ; the orbits are very incomplete, 
with a hiatus in the upper margin, scarcely defined below ; the prseocular spine some- 
times developed, sometimes absent ; the rostral spines are divergent from, or nearly from, 
the base, and are horizontal or deflexed. The eyes are slender and somewhat elongated ; 
the basal antennal joint is moderately enlarged, and has usually a small tooth at its 
antero-external angle ; the flagellum is not concealed by the rostral spines. The merus 
of the exterior maxillipedes is distally truncated or slightly concave ; its antero-external 
angle rounded, and its antero-internal angle emarginate. The chelipedes (in the male) 
are moderately developed ; palm compressed, and fingers acute, with or without an 
intermarginal hiatus. The ambulatory legs are slender and moderately elongated ; 
dactyli nearly straight, acute, and usually shorter than the penultimate joints. 
The following are the described species of this genus : — 
Pseudomicippe nodosa, Heller, from the Bed Sea ; 1 Pseudomicippe tenuipes, 
A. Milne Edwards, probably from the Indian Ocean ; Pseudomicippe varians, Miers, 
rather widely distributed in the shallower waters of Australia, with which, as has 
elsewhere been noted, Microhalimus defiexifrons, Haswell, may possibly be identical. 
Pseudomicippa (?) varians, Miers. 
Pseudomicippe (?) varians, Miers, Ann. and Mag. Nat. Hist., ser. 5, vol. iv. p. 12, pi. iv. fig. 8, 
1879 ; Crust. Rep. Zool. Coll. H.M.S. “Alert,” p. 197, 1884. 
A nearly adult female was obtained in the Torres Straits in 8 fathoms, 
lat. 10° 30' 0" S., long. 142° 18' 0" E. (Station 186). 
The spines of the rostrum in this specimen are very short, little more than one-fifth 
1 Mam rossellii, Audouin, in Savigny, Descr. de l’Egypte, Crust. Atlas, pi. vi. fig. 1, may be an earlier designation 
for this form, but presents certain distinctions (c/., Heller, tom. cit., p. 304). 
