A. H. CLARK : THE CRINOIDS OF THE INDrAN OCEAN. 247 



Thaumatometra isis 190S. A. H. Clark, Proc. Biol. See. Washington, vol. 21, 

 p. 128. 



HABiTAT.^Southern Japan and Korea (Cho Sen). 

 Depth. — 361 fathoms. 



THAUMATOMETRA L^VIS. 



Antedon Icevis 1888. P. H. Carpenter, ''Challenger" Reports, vol. 26, Zoo- 

 logy, p. 187, pi. xxxi, fig. 6. 



Thaumatometra Icevis 1908. A. H. Clark, Proc. Biol. Soc. Washington, vol. 21, 

 p. 128. 



Habitat. — Ofif the Meangis Islands. 

 Depth. — 500 fathoms. 



THAUMATOMETRA PARVA. 



Thaumatometra parva 1908. A. H. Clark, Proc. U. S. Nat. Mus., vol. 34, p. 2:! I. 



Habitat. — Southern Japan. 

 Depth.— 120-265 fathoms. 



THAUMATOMETRA PARVULA. 



Antedon parvula 1895. Hartlaub, Bull. Mus. Comp. Zool.. vol. 27. No. 4, 



p. 144, pi. iii, fig. 21. 

 Thaumatometra parvula 1908. A. H. Clark, Proc. Biol. Soc. Washington, vol. 



21. p. 128. 



Habitat. — Panama. 



Depth. — 978 fathoms. 



THAUMATOMETRA sp. 



LocAhiTY. —Northivest of Sokotra (14° 20' N. lat., 52° 30' E. long.). 

 Depth. — 1200 fathoms. 



Remarks. — The cable repair ship " Electra," upon raising a cable at the 

 above locality on July 10, 1909, found upon it a new species of Thaumatometra. 



Family PENTAMETROCRINIDiE. 



Pentametrocrinidce 1908. A. H. Clark, Proc. Biol. Soc. Washington, vol. 21, 

 p. 135. 



Genus DECAMETROCRINUS. 



Decametrocrinus 1905. Minckert, Zool. Anzeiger. vol. 28, p. 494 (Promacho- 

 crinus abyssorum P. H. Carpenter, 1888).' 



1 Vide A. H. Clark, Proc. U. S. Nat, Mus., vol. 34. P- 516 (1908). 



