164 
1. Aglaometra enpedata (A H. Clark). 
A. H. Clark. Proc. U. S. National .Museum, vol. 36, 1909, p. 404 {Crotaloniftra enpedata). 
2. Aglaofuetra sulcata (A. H. Clark). 
A. H. Clark. Zool. Anzeiger, vol. 39, 1912, N" 11 12, p. 427 [Crotaloiuetra sulcata). 
Stat. i6i. 1° 10.5 S., 130° 9' E. Halmahera Sea. 798 Metres, i E.x. 
The general structure of this species resembles that of A. propinqtia^ but the cirri are 
proportionately larger, longer and more robust, 60 mm. to 65 mm. long with 63 — 64 segments, 
and the ossicles of the IBr series and lower brachials are almost smooth, as in A. vera. It 
differs markedly from both of these in having the distal angles of the IBr, and the pro.ximal 
angles of the axillaries, and the corresponding angles of the fir.st two brachials and of the 
elements of the first syzygial pair, widely cut away, forming large and prominent rhombic water 
pores. The edges of the ossicles bordering these water pores are more or less everted and 
coarsely denticulate, or bear a few coarse spines. 
3. Aglaometra valida (P. H. Carpenter). 
P. H. Carpenter. "Challenger" Reports. Comatulae, 1S88, p. 104, pi. 15, figs. 5 — ^8 (Antedon 
valida). 
A. H. Clark. Smithsonian Miscellaneous Collections, vol. 61, 1913, N" 15, p. 47 {Aglaometra 
valida). 
Stat. 122. i°58.'5N., i25°o'.5 E. Celebes Sea. 1264 — 1165 Metres. 4 Ex. 
The dorsal pole of the centrodorsal is more blunted than in Carpenter's specimens, 
and is studded with numerous small low tubercles. The cirrus sockets are in ten columns which 
are interradially in apposition, but well separated in the midradial line; there is usually only a 
single functional socket to a column ; the more distal obsolete cirrus sockets develop conical 
tubercles of which the axes are parallel to the dorsoventral axis of the animal; these tubercles 
are proportionate to the size of the cirrus socket which they occupy ; thus below the functional 
socket in the columns there is a double row in each radial area of tubercles of diminishing 
size which continues to the dorsal pole, there merging with the small polar tubercles. 
There are three cirri remaining contain 45 (one) and 61 (two) segments; in the first 
the transition segment is the ninth, in the two others the eighth. The cirri decrease slightly 
in diameter to the transition segment, and in lateral view increase in diameter on the short distal 
segments. The longest cirrus segment (the transition segment) is about twice as long as broad. 
The radials are visible as short and broad, more or less irregular, tubercles between 
the centrodorsal and the IBr^; one or two tubercles springing from them are visible in the 
angles of the calyx over the ends of the basal rays, and there may be a smaller tubercle 
between these and the central tubercle. The central tubercle is indicated in Carpenter's figure, 
but is not clearly shown (pi. 15, fig. 5). 
The ends of the basal rays are visible as small low rhombic tubercles in the angles of 
