252 
Cirri L — LX, 27 — 28 (usually 28), 18 mm. long; the longest segments are about three 
times as long as the median diameter, or about twice as long as the lateral diameter of the 
somewhat expanded distal ends; the terminal six or seven are slightly longer than broad; the 
short outer segments are laterally compressed, though not carinate dorsally; the median portion 
of the distal border on the dorsal side is produced distally into a broad rounded overlapping 
process with a serrate border. 
The edges of the radials are just visible beyond the rim of the centrodorsal ; their 
distal angles are slightly separated. 
The IBr^ are extremely short and band-like, four times as broad as the lateral length, 
which is nearly or quite twice as great as the median length -, the sides are distinctly convergent. 
The IBr, (axillaries) are rhombic,, about as broad as long, with all the sides rather deeply 
concave; their lateral angles project a considerable distance beyond the distal angles of the 
narrow IBr,. 
The first brachials are very short, basally not quite in apposition internally, the inner 
edges being almost a straight line. All the brachials have slightly everted and finely spinous 
distal edgfes. As a whole the division series and arms resemble those of Thatimatometra tenuis. 
Syzygies occur between the third and fourth brachials, again between the ninth and tenth and 
fourteenth and fifteenth, and distally at intervals of two oblique muscular articulatiorts. 
Pj is weak and slender, 7 mm. to g mm. long with ig — 23 segments of which the 
first four are about as long as broad and the following slowly increase in length so that the 
outer are twice as long as broad or somewhat longer, with moderately produced and spinous 
distal ends, and the terminal slender and much elongated. P„ is about 10 mm. long with 16 
segments of which the first two are about as long as broad, the third and fourth twice as long 
as the median diameter, and the following greatly elongated ; the pinnule is considerably stouter 
than Pj, and may bear a fusiform gonad on the fifth-eighth segments. The distal pinnules are 
10 mm. long with about 15 segments which have much expanded anterior, and overlapping 
and finely spinous distal, ends. 
The arms are probably about 60 mm. long. 
3. Nepiometra laevis (P. H. Carpenter). 
P. H. Carpenter. '•Challenger" Reports. Comatulae, 1S8S, p. 187, pi. 31, i'\g. 6 {Aiitedon laexns). 
4. Nepiometra io nom. nov. 
P. H. Carpenter. "Challenger" Reports. Comatulae, 1888, p. 179, pi. 32^ fig. 6 (} Aiitedon 
alternata; specimen from Stat. 218). 
A. H. Cl.^rk. Notes from the Leyden Museum, vol. 34, 19 12, p. 146 [Tricliouietra ddicata; 
not of A. H. Clark, 191 i). 
Smithsonian Miscellaneous Collections, vol. 61, 1913, N" 15, p. 64 [Jriclionietra ': delicata). 
Stat. 211. 5°4o'.7S., I20°45'.5 E. Banda Sea. 1158 Metres, i Ex. 
The centrodorsal is rounded conical, about 1.2 mm. broad at the base and about 
0.9 mm. from the apex to the interradial border, similar to, but very slightly longer than, the 
