Cumton.—On New Zealand Sessile-eyed Crustacea. 259 
Paranenia typica, sp. nov. Pl. xix., fig. 1, a to ^. 
Male.—Eyes rather large, situated on a pointed projection between the 
bases of the antenne. Upper antenna with basal joint of peduncle stout, 
and about two-thirds the length of the second, third joint as long as the 
` first, flagellum about as long as the last two joints of the peduncle, second- 
ary appendage nearly half as long as the primary. Peduncle of lower 
antenna very slightly longer than that of the upper, last two joints equal in 
length, flagellum half as long again as the last joint of peduncle, Both 
antenne fringed below with numerous long hairs. First gnathopod with 
carpus as long as propodos and nearly as broad, inferior edge fringed with 
numerous sete arranged in about four transverse rows, propodos ovate, 
both margins with numerous sete, one or two stouter ones at the point 
where the end of dactylos impinges. Second gnathopoda with meros some- 
what sharply pointed at its distal end; carpus very short, subtriangular ; 
propodos very large, as long as the cephalon and first two segments of 
pereion, subrectangular, produced on inferior edge into a stout short spine 
defining the palm, distal portion of the palm nearly transverse, distinctly 
marked off from the inferior portion by a stout spine, followed by a narrow 
indentation, between which and the base of the dactylos is a low protu- 
berance with the margin minutely crenate, palm thickly supplied with 
sete variously arranged in tufts; dactylos curved, with a low protuberance 
on the inner margin near the distal end. Coxe of first pereiopoda (third 
segment of pereion) deeper than the others, produced as far as the anterior 
end of the coxe of the second gnathopoda and ending there in an acute 
point, margin ornamented with small circular markings at intervals. Fourth 
pair of pleopoda with the rami equal and as long as the peduncle, slender, 
with sete on both sides and two or three longer ones at the ends, peduncle 
with three or four sete on the upper margins and with a stout one at the 
end between the two rami. Fifth pleopoda with the outer ramus as long as 
the peduncle, inner one slightly longer, supplied with sete as in the fourth 
pleopoda. Sixth pleopoda extending beyond the others, inner ramus 
slightly longer than the outer, both longer than the peduncle and broader 
(when viewed from above) than the rami of the two preceding pairs of ple- 
opoda, setose on both margins, and ending acutely without sete; peduncle 
stout, with a strong seta on the upper margin at the distal end. Telson 
single, ending in two conical projections each bearing a stout seta. 
Female.—Differs from the above in having the coxe normal; second 
| gnathopoda only slightly larger than the first which it resembles in shape, 
but has the carpus shorter and subtriangular. 
Length about + inch. : 
Hab. Lyttelton Harbour. 
