256 



i : cirrus segments 

 cirrus segments shorter, the Ion third and fourth) between three 



1 tour times as long as broad; antepenultimate about twice .is long 

 .1- broad; penultimate about half again ;is long as broad; cirri about 

 XXX. [o [2, 9 mm. long; arms about 30 mm. long; I' 6 mm. long 

 with 15 segments, of which the second and third are aboul as long 

 as broad, very slender; 1' verj slightly shorter, with the first segment 

 short, the second about as long as broad, the third half again as long 

 as broad, and the following elongated; 1' bears a gonad Sagami 



Bay, Japan; :\<> — 477 Metres) parva 



cirrus segments longer, the Ion óurth and fifth) nearly or quite 



si\ times as long as the proximal breadth; segment preceding the ante- 



nultimate three times as long as broad; antepenultimate twice as 

 long as broad; penultimate half again to twice as long as the distal 

 diameter; cirri XXX. i<>, 6 mm. long; 1', somewhat longer and stouter 

 than 1', southwest of [celand; 2043 Metres) ...... septentrionalis 



1. Thaumatometra tennis ,.\. II. Clark). 



GRAFF. "Challenger" Reports. Myzostoma, 1S84, p. 79 (? Antedon sp.; Yladivostock). 

 A. H. CLARK. Proc. U.S. National Museum, vol. 33, 1907, p. 80 (Antedon tennis); p. Si 



'edon cil. 

 Vidensk. Medd. fra den naturhist. Forening i Kobenhavn, 1909, p. [91 [Thaumato- 



1 tennis). 



2. Thaumatotnetra abyssorum (P. H. Carpenter). 



1'. II. CARPENTER. "Challenger" Reports. Comatulae, 1888, p. 190, pi. 29, figs. 10 — 13 {Antedon 



Thaumatometra comaster A. H. Clark. 

 A. II. CLARK. Proc. U.S. National Museum, vol. 34, [908, p. 232 (Thaumatometra comaster). 



4. Thaumatometra cypris A. II. Clark. 



1'. II. Carpi "Challei imatulae . pi. 32, figs. 5. 7. 8,9 



•>. alterna 

 A. II. Clark. Smithsonian Miscellaneous Collections, vol. 61. 1 ,1 ;. V 1;. p. 65 (Thaumato- 



■r,i erf) . 



Thaumatometra alternata I'. 11. Carpe 



I'. II. CARPENTl Intedon tennis; nomen 

 nudum). 



F. "Ch nger" R Intedon n/te/ uien nud 



1'. II. Carpenti . -' 1 r" Report ttulae, [888, p. 170 (part, pi. [8, figs. 1 — 3 



n alterna 



A. II. CLARK. Smithsonian Miscellai N 15, p. 65 Thaumato- 



