'57 
b- lon<,fcst cirrus segments twice as long as broad, or slightly longer; profile 
of the median keel on the elements of the IHr series and first two 
brachials even, or nearly so (Ph i 1 ipjjinc Islands; 210 Metres) . . cristala 
1. Stcnonictra tjiiiiujuccostata (P. II. Carpenter). 
i'. 11. C.^RrENTKR. "Challenger" Reports. Comatulac, 18.SS, p. 262, [jI. 3, (i^'s. 6, ,/—</; pi. 38, 
figs. I — 3 (Antedon qniiiquecostata). 
A. H. Clark. Smithsonian Miscellaneous Collections, vol. 61, 1913, N" 15, p. 44 (Stenotiietra 
quinquecostata). 
2. Sfenoiiicira diadcma (A. H. Clark). 
A. H. Clark. Proc. U.S. National Museum, vol. 33, 1907, p. 144 {Antedon diadema). 
Proc. U.S. National Museum, vol. 34, 190S, p. 310 [Tlialassometra quinquecostata). 
Vid. Med. fra den naturhist. Foiening i Kobenhavn, 1909, p. 186 {Stenometra dorsata). 
3. Stenometra cristata A. H. Clark. 
A. H. Clark. Proc. U.S. National Museum, vol. 39, 191 1, p. 553 [Stenomeira cristata). 
Daidalometra A. M. Clark. 
Key to the Species of the Genus Daidalometra. 
a' 65 — 75 cirrus .segments; cirri more than two thirds as long as the arms; 
carination of the ossicles of the division series and of the proximal brachials 
low and more or less blunted along the crest (southwestern Japan; 
192 — 250 Metres) hajia 
a- 51 — 65 cirrus segments; cirri less than half as long as the arms; carination 
of the ossicles of the IBr series and of the proximal brachials higher and 
sharper (Port D e n i s o n , Queensland, to Timor and the s o u t h e r n 
P h i 1 p ]) i n e Islands; o — i 1 8 M e t r e s) arachnoidcs 
1. Daidalometra Jiana (A. H. Clark). 
A. H. Clark. Proc. U.S. National Museum, vol. n, 1907, p. 137 {Antedon liana). 
2. Daidalometra arachnoides (A. H. Clark). 
A. H. Clark. Proc. U. S. National Museum, vol. 36, 1909, p. 402 {Stenometra araclinoides). 
Zool. Anzeiger, vol. 39, 191 2, N" 11 '12, p. 428 {Stenometra acuta). 
Stat. 166. 2°28'.5S., i3i°3.3E. Ceram Sea. 118 Metres. 4 Ex. 
Stat. 294. 10° 12'. 2 S., 124° 27. 3 IC. Timor Sea. 75 Metres. 6 Ex. 
Of the s|)ecimens from .Stat. 166 one has 10 arms and cirri with 54 segments; another 
has 13 arms about 60 mm. long and cirri with 49 — 54 segments, 20 mm. to 25 mm. long; 
the other two have 16 and 18 arms respectively. 
The largest example from Stat 294 has 12 arms about 60 mm. long; the cirri are 
XII, 51 — 58, 25 mm. long; the others are all small, with 10 arms. 
