A. H. CLARK : THE CRINOIDS OF THE INDIAN OCEAN. 231 



IRIDOMETRA ^GYPTICA. 



Antedon parvicirra 1908. Chadwick, Journ. Linn. Soc. (Zool.), vol. 31, p. 45. 

 Iridometra cegyptica 1911. A. H. Clark, Proc. U. S. Nat. Mus., vol. 40, p. 42. 



Habitat. — S uez . 



Depth. — 10 fathoms. 



IRIDOMETRA NANA. 



Antedon nana 1890. Hartlaub, Nachr. Ges. Gottingen, Mai 1890, p. 170. — 1891. 



Nova Acta Acad. German., vol. 58, No. 1, p. 89, pi. 5, figs. 57, 58. 

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



p. 131. 



Locality. — Andaman Islands ; surf line. — One specimen with arms 30 mm. 

 long. 



Other Records. — Philippine Islands; Tonga Islands; Nicobar Islands; 

 Singapore; Amboina; BiUiton; Macclesfield Bank ; Male, Maldives. 



Depth. — Littoral, and down to 41 fathoms. 



IRIDOMETRA BRISEIS. 

 Antedon briseis 1907. A. H. Clark, Proc. U. S. Nat. Mus., vol. 33, p. 83. 

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

 p. 131. 



Habitat. — Sea of Japan. 

 Depth. — 59 fathoms. 



IRIDOMETRA PARVICIRRA. 

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



Zoology, p. 204, pi. xxxvi, figs. 7, 8. 

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



p. 131. 



Habitat. — Phihppine Islands. 



Depth. — 18-44 fathoms. 



IRIDOMETRA SCITA. 

 Iridometra scita 1908. A. H. Clark, Smiths. Miscell. Coll. (Quarterly Tsflue), 

 vol. 52, part 2, p. 232. 

 Habitat. — Phihppine Islands ; Billiton. 

 Depth. — Littoral. 



IRIDOMETRA PSYCHE. 

 Antedon psyche 1908. A. H. Clark, Bull. Mus. Com. Zool., vol. 51, No. 8, 

 p. 241, pi. i, figs. 2, 3. 



