NO. 15 RECENT CRINOIDS IN BRITISH MUSEUM — CLARK 33 



LAMPROMETRA PALMATA (J. Miiller) 



Antedon palmata Brit. Mus., MS. (1, 2). 



1. Red Sea. — One fine specimen. 



2. Muscat. — One specime^ with thirty-six arms and cirri XLV, 

 22-25. 



Remarks. — Carpenter's record of this species from Ceylon (" Chal- 

 lenger " Report, Comatuke, p. 379) is based upon an example of 

 Lamprometra protectus; L. palmata does not occur farther eastward 

 than Arabia. 



Family COLOBOMETRID^E A. H. Clark 



Genus CENOMETRA A. H. Clark 



CENOMETRA EMENDATRIX (Bell) 



Antedon emendatrix 1892. Bell, Ann. and Mag. Nat. Hist. (6), vol. 9, 



p. 428 (1). 

 Antedon sp s icata 1909. Bell, Trans. Linn. Soc. (Z06L), (2), vol. 13, part 1, 



p. 20 (2). 



1. Mauritius. — Four specimens, with twelve, fourteen, nineteen 

 and twenty-one arms ; P 2 is comparatively slender ; the proximal seg- 

 ments of the lower pinnules are strongly carinate. 



2. Seychelles; 59 fathoms; " Sea Lark." — Four specimens ; one 

 of these has twenty-two arms 100 mm. long; there are two IIIBr 

 series, both externally developed ; P, has from nineteen to twenty- 

 one segments, of which the proximal are carinate ; the cirri are XX, 

 32-35 ; another has fourteen arms 90 mm. long, and cirri XIV, 

 34-41 ; a third specimen has about fifteen arms ; the fourth, and 

 smallest, specimen has twelve arms, a single derivative from a IBr 

 axillary bearing both a IIBr series and beyond it an external IIIBr 

 series. 



CENOMETRA CORNUTA A. H. Clark 



Antedon sp. (near macronema) 1894. Bell, Proc. Zool. Soc. London, 

 1894, P. 394 CO- 



1. No Locality. — One broken specimen. 



2. Adele Island, northwestern Australia. — One specimen with 

 twenty-six arms about 1 10 mm. long. 



The cirri are XIV, 35-37, about 20 mm. long, rather slender, with 

 short segments none of which are less than twice as broad as long ; 

 the proximal segments are flattened dorsally ; in the distal half of the 

 cirri the segments bear dorsally a pair of tubercles with their apices 

 well separated. 



