A. H. CLARK : THE CRINOIDS OF THE INDIAN OCEAN. 83 



difference in length between the anterior and posterior arms is often very great. 

 In some specimens only fom- of the arms are supplied with ambulacra. 



Genus COMINIA. 



Cominia 1909. A. H. Clark, Proc. U. S. Nat. Mus., vol. 36, p. 497 (Coman- 

 thus decameros, A. H. Clark, 1908). 



COMINIA DECAMEROS. 



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



p. 221. 

 Cominia decameros 1909. A. H. Clark, Vidensk. Medd. fra den naturhist. Foren- 



ing i Kobenhavn, 1909, p. 150. 



Habitat. — Off the Goto Islands, near Nagasaki, Japan. 



Depth. — 170 fathoms. 



Subfamily COM AST ERIN AE. 

 Comasterincf. 1909. A. H. Clark, Proc. Biol. Soc. Washington, vol. 22, p. 175. 



Genus COMASTER. 



Comaster 1836. L. Agassiz, Mem. de soc. de sci. nat. de Neuchatel, vol. 1, p. 193 

 (Comatula multiradiata Lamarck (=Alecto multiflda J. Miiller, 



1841) ). 

 Phanogenia 18Q6. LoviJN, Ofversigt k. Vetensk.-Akad. FcirhandL, 1866, No. 9, 

 p. 231 (Phanogenia typica, sp. nov.). 



COMASTER TYPICA. 



Phanogenia typica ISQ6. Loven, Ofversigt k. Vetensk.-Akad. Forhandl., 1866. 



No. 9, p. 231, fig. p. 220 a-h. 

 Actinometra stellata 1874. LtjTKEN, Mus. Godeffr. Cat., vol. 5, p. 190 (nomen 



nudum).— U7 9. P. H. Carpenter, Proc. Roy. Soc, vol. 28, p. 390. 

 Actinometra multifida 1884. Bell, Rep. Zool. Coll. H.M.S. " Alert," p. 169 (part). 

 Actinometra variabilis (Yiavt) 1884. Bell, Rep. Zool. Coll. H.M.S. "Alert," p. 



169. 

 Comaster typica 1908. A. H. Clark, Proc. U. S. Nat. Mus., vol. 33, p. ()8«. 



Habitat.— Fiji ; Jobie ; Singapore; New Harbour, near Singapore; Am- 

 boina ; Malacca ; Blanche Bay, New Britain; Cebu ; Gilbert (Kingsmill) Islands ; 

 Philippine Islands ; Prince of Wales Channel, Torres Strait; Thur.sday Island; 

 Percy Island ; Port Walcott and Port Headland, Western Australia. 



Depth. — Littoral, and down to 50 fathoms. 



Remarks.— The specimen in the Leyden Museum examined by Cai-penter 



