244 ECHINODERMA OF THE INDIAN MuSEUM, PAET VII. 



Remarks. — The conical centrodor.sal, visible radials. and widely separated 

 IBr and lower brachials, which do not have produced lateral borders, give this 

 species a somewhat different appearance from E. chuiuherlaini ; in the latter P^ 

 is stouter, longer, and stiffer than any of the other pinnules, while in E. indica P.^ 

 instead of Pg is enlarged. 



Genus THYSANOMETRA. 



Thysanometra 1907. A. H. Clark, Smiths. Miscell. Coll. (Quarterly Issue), 

 vol. 50, part .'5, p. 351 (Antedon teaelloid.es A. H. Clark, 1907). 



THYSANOMETRA TENELLOIDES. 



Antedun tendloides 1907. A. H. Clark, Proc. U. S. Nat. Mus., vol. 33, p. 73. 

 Thysanometra tendloides 1907. A. H. Clark, Smiths. Miscell. Coll. (Quarterly 



Issue), vol. 50, part 3, p. 351. 



Habitat. — Southern Japan. 



Depth. — 70 fathoms. 



THYSANOMETRA TENUICIRRA. 



Antedon, tenuicinu 18SS. P. H. Carpenter, "Challenger" Reports, vol. 26, 



Zoology, p. ISG, pi. XXX, hgs. 4-8; pi. xxxiii, figs. 4, 5. 

 Antedon notata 1888. P. H. Carpenter, " Challenger " Reports, vol. 26, Zoology, 



p. 187, pi. xxxiii, figs. 4, 5. 

 Thysanometra tenuicirra 1908. A. H. Clark, Proc. Biol. Soe. Washington, 



vol. 21, p. 125. 



Habitat. — North of the Admiralty Islands. 



Depth. — 150 fathoms. 



Subfamily BATHYMETRIN^. 

 Baihymetrinw 1909. A. H. Clark, Proc. Biol. Soc. Washington, vol. 22, p. 177. 



Cenus BATHY.METRA. 



Bathymctra 1908. A. H. Clark, Proc. Biol. Soc. Washington, vol. 21. p. 132 

 (Antedon abyssicola P. H. Carpenter, 1888, restricted). 



BATHYMETRA ABYSSICOLA. 



Antedo)i abyssicola iHSa. P. H. Carpenter, •■ Cliallenger " Reports, vol. 26, 



Zoology, p. 191 (part), pi. xxxiii, fig. 1 (but not fig. 2). 

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



p. 132. 



Habitat. — North Pacific. 



Depth. — 2900 fathoms. 



