1 90 
Glyptometra A. H. Clark. 
The only species in the genus Glypfouietra is 
I. Glyptometra tnberosa (P. H. Carpenter). 
P. H. Carpenter. "Challenger" Reports. Comatulae, 1888, p. 126, pi. 14, fig. g; pi. 23, fig. 2 
[Antedon tnberosa). 
A. H. Clark. Proc U.S. National Museum, vol. 39, 191 1, p. 557 [Glyptometra tnberosa). 
Smithsonian Miscellaneous Collections, vol. 61, 1913, N" 15, p. 49 [Glyptometra tnberosa). 
[not Glyptometra tnberosa A. H. Clark. Proc. U. S. National Museum, vol. 36, 1909, p. 407]. 
Chlorometra A. H. Clark. 
The only species in the genus Chlorometra is 
I. Chlorometra ffarrcltiana (A. H. Clark). 
A. H. Clark. Proc. U. S. National Museum, vol. 33, 1907, p. 142 [Antedon garrettiana). 
Poecilometra A. H. Clark. 
Key to the Species of the Genus Poecilometra. 
a^ Centrodorsal large and broad (in large specimens about 5 mm. in diameter at 
the base); the profile of the IBr series and arm bases makes only a very 
slight angle with the dorsoventral axis; the IBr series are usually (but not 
always) somewhat constricted so that the arm bases broaden rather suddenly 
above them; cirri XXV — XXX, 15 — 18; arms about 100 mm. long (north- 
eastern end of Celebes and the INIeangis Islands; 900 — 1327 
Metres) acoela 
a" Centrodorsal smaller (4 mm. in diameter at the base) and lower; the profile 
of the IBr series and arm bases makes a considerable angle with the dorso- 
ventral axis, and there is no constriction of the IBr series; cirri about XX, 20 ; 
arms i 10 mm. long (southwestern Japan; 650 Metres) scalaris 
I . Poecilometra acoela (P. H. Carpenter). 
P. H.Carpenter. "Challenger"' Reports. Comatulae, 1888, p. 132, pi. 2, fig. 3; pi. 16 [Antedon 
acoela). 
A. H. Clark. Smithsonian Miscellaneous Collections vol. 61, 1913, N" 15, p. 50 [Poecilometra 
acoela). 
Stat. 122. i°58'.5N., i25°o'.5 E. Celebes Sea. 1165 — 1264 Metres. 7 Ex. 
Stat. 124. 2°27'N., 1 25° 35' E. Celebes Sea. 1327 Metres. 2 Ex. 
These specimens do not seem to differ appreciably, in size or otherwise, from others 
at hand collected by the "Challenger". 
