3. Parametra granulata \ 11 Clark. 



1'. ||. Carpi N "Challenger" Reports. ( omatulae, i888, p. 212 {Antedon compressa, part; 



specimen from Stal 

 A. II. CLARK. Smithsonian Miscellaneous Collection rij I isue), vol. 52, 1908, part 2, 



p. tra compresi 



— Proc. U.S. X. ai. mi. il Museum, vol. 36, 1909, p. 406 Parametra compressa). 



— Proc. U.S. National Museum, vol. 39, 1911, p. 554 [Parametra compressa). 



Smithsonian Miscellaneous Collections, vol. 1.1. 1913, X" 15, p. 45 [Parametra granulata). 



Stal N [2i 19 E. Sulu Sea. 275 Metres. 1 Ex. 



This small specimen lias 10 arms about 35 mm. long; this cirri have 15 segments of 

 which the fourth is a transition segment. 



4. Parametra orion (A. H. Clark). 



A. 11. CLARK. Proc. U.S. National Museum, vol. 33, 1907, p. 143 {Antedon orion). 



Proc. U.S. National Museum, vol. 34, 1908, p. 310 {Thalassometra orion). 



Proc. U.S. National Museum, vol. 39, 1911, p. 554 {Parametra orion). 



Lissometra A. II. Clark. 



The only species in this genus is the following : 

 1. Lissovictra albojlava A. 11. Clark). 



A. II. CLARK. Proc. U.S. National Museum, vol. 33, 1907, p. 145 \Antedon air. 



Horaeometra A. 11. Clark. 



The only species in this genus is the following: 

 1. Horaeometra duplex \\' . 11. Carpenter). 



VON GRAFF. Huil. Mus. Comp. Zool., vol. 11, 1SS3, X" 7, p. 133 {Antedon duph 



"Challenger" Reports. Myzostoma, 1884, PP- '/• ItS {Antedon duplex). 



1'. II. CARPENTER. "Challenger" Reports. Comatulae, 1888, pp. 207, 212 {Antedon duph 

 Hartlaub. Mem. Mus. Comp. Zool., vol. 24. [912, N° 4, p. 366 [part), pi. 3, figs. 6— 11 

 (but not 2, 4, 5); pi. 14, fig. 13 (but not 5 di\-\ io) {Antedon duplex). 



Stiremetra A. 1 1. < ilark. 



Key to the Species of the Genus Stiremetra. 



Longest proximal cirrus segments only very slightly longer than broad; all the 

 cirrus segment /ery shorl basal bear very prominent dorsal spines 



1 Jarkson, New South Wales; [710 Metres) spinicirra 



I proximal cirru '-nis at least tuier as Ion- : ,s broad; dorsal spines 



fined to tin- shorter distal segments 

 h 1 irsal large and columnar, the two columns of cirrus so.-kets in each 



eparated interiorly by a broad V-shaped furrow as wide as the 



