A. H. CLARK : THIO CRINOIDS OF THE INDIAN OCEAN. 220 



Pi 15 mm. long, much stouter basally than the succeeding, though tapering 

 evenly to an exceedmgly slender and delicate flagellate tip ; P^ 9 mm. long ; fol- 

 lowing pinnules gradually decreasing in length. The pinnules are of the same 

 proportions and structure as are those of M. flagellifera. 



The colour in spirits is brownish white. 



Localities. — 1 India. (Type Locality). Four specimens. 



Off Colombo Light House, Ceylon; 26-^ fathoms. — One small specimen. 



Genus COMPSOMETRA. 



Compsometra 1908. A. H. Clark, Proc. Biol. Soc. Washington, vol. 21, p. 131 

 [Antedon loveni Bell, 1882 {=Anledon pumila Bell, 1884)]. 



COMPSOMETRA SERRATA. 



Antedon serrata ^ 1908. A. H. Clark, Bull. Mus. Comp. Zool., vol. 51, No. 8, 



p. 240, pi. i, fig. 4. 

 Compsometra serrata 190S. A. H. Clark, Proc. Biol. Soc. Washington, vol. 21, 



p. 131. 



Habitat. — Formosa (Taiwan) to southern Japan. 



Depth. — 8-35 fathoms. 



COMPSOMETRA CRISPA. 

 Iridometra crispa 1908. A. H. Clark, Proc. U. S. Nat. Mus., vol. 34, p. 218. 



Habitat. — Hawaiian Islands. 

 Depth.— 148-163 fathoms. 



COMPSOMETRA LOVENI. 



Antedon loveni ISS2. Bell, P. Z. S., 1882. p. 534.— 1908. A. H. Clark, Proc. 



U. S. Nat. Mus., vol. 34, p. 481. 

 Antedon pumila 1884. Bell, Rep. Zool. Coll. H.M.S. " Alert," p. 157, pi. x, figs. 



B, B*a— 6 

 Con^psometra loveni IdO'i. A. H. Clark, Proc. Biol. Soc. Washington, vol. 21, 



p. 131. 



Habitat. — Southern Australia. 



Depth. — Littoral, and down to 5 fathoms. 



COMPSOMETRA INCOMMODA. 



Antedon incomnioda 1>>SS. Bell, Ann. and Mag. Nat. Hist. (6), vol. 2, No. xi, 

 p. 404. 



i Not Antedon serrata Orsted, MS. = Siylometra spinifera. 



2 On plate X, there arc two figures lettered " B ": the proseni species is represented by tlie 

 lower figure B, the upper being a misprint for •• C" 



