238 ECHINODERMA OF THE InDIAN MUSETTM , PART VII. 



Locality. — Southwest of Alcyab, Burma (\Q° ^5' N. lat., 92° 24' E. long.): 

 272 fathoms; bottom temperature 50° Jf^a/).r.- -Three broken specimens. 



Genus ADELOMETRA. 



Adelmnetra 1907. A. H. Clark, Smiths. Miscell. Coll. (Quarterly Issue), vol. 50, 

 part 3, p. 363 (Antedon angustiradia P. H. Carpenter, 1888). 



ADELOMETRA ANGUSTIRADIA. 



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



Zoology, p. 253, pi. xlv, fig. 4. 

 Adelometra angustiradia 1907. A. H. Clark, Smiths. Miscell. Coll. (Quarterly 



Issue), vol. 50, part 3, p. 364. 



Habitat. — Ki Islands. 



Depth. — 140 fathoms. 



Genus BALANOMETRA. 



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

 (Antedon balanoides P. H. Carpenter, 1888). 



BALANOMETRA ELONGATA. 



Perometra elongata 1908. A. H. Clark, Smiths. Miscell. Coll. (Quarterly Issue), 

 vol. 52, part 2, p. 229. 

 Habitat. — Philippine Iislands. 

 Depth. — 78 fathoms. 



BALANOMETRA BALANOIDES. 



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

 Zoology, p. 207, pi. xxxiii, tigs. 6, 7. 

 Habitat. — Philippine Islands. 

 Depth. — 82 fathoms. 



Subfamily HELIOMETRINM. 

 Helionietiium 1909. A. H. Clark, Proc. Biol. Soc. Washington, vol. 22, p. 176. 



CY(!LOMETRA, gen. nov. 



Genotype. — Cydomctra jiuvescens, sp. nov. 



Characters. — This new genus is closely related to HeUonietra and Solanometra, 

 which it replaces in the East Indian region ; it is distinguished, however, by 

 having the P.^ markedly shorter than P, instead of approximately of the 



