130 ECHINODERMA OF THE INDIAN MUSETJM, PART VII. 



fifth segments are carinate ; following pinnules similar and about the same 

 length, the segments becoming gradually longer and the basal carination gradu- 

 ally less : the distal pinnules are 5 mm. long. On the arms arising from a IBr 

 axillary PP,, ;, and .^ are usually as described for Pd, Pj, and Pj, and P^ is 

 much smaller, as described f or P3 ; but occasionally P.^ is enlarged and similar 

 to P3, as described, instead of being small like P,. 



The colour in spirits is yellowish white, the proximal third of the pinnules 

 purple. 



Locality. — Southern part of Malacca Strait. — One specimen. 



Other Record. — Singapore. 



Remarks. — The specimen from Singapore which I described from the collec- 

 tion of the Copenhagen Museum has twelve arms 65 mm. long and cirri XV, 

 26-31 15 mm. to 18 mm. long. 



HETEROMETRA BENGALENSIS. 



Antedonbengalensis 1890. Hartlaub, Nachr. Ges. G6ttingen,Mai 1890, p. 182.— 



1891. ( Nova Acta Acad. German., vol. 58, No. 1, p. 19, pi. i, fig. 2 ; pi. ii, 



fig. 16. 

 Antedon ance.ps 1904. Chadwick, Report Pearl Oyster Fisheries Ceylon, part 



2, Supplementary Report xi, p. 157. 

 Heterom.etrabengalensis 1909. A.H.Clark, Proc. Biol. Soc. Washington, vol. 



22, p. 11. 



Localities.— *9o»i/i of Ceylon (6° 6-5' N. lat., 81° 23' E. long.) ; 32 fathoms. 

 — Two specimens, agreeing well with Hartlaub's original description ; one has 

 the cirri XIII, 24-28, the other, with twelve arms, has the cirri XII, 21-27. 



Andaman Islands. — Two specimens, similar to the preceding; one has four- 

 teen arms and 26 cirrus segments, the other fifteen arms and 22 or 23 cirrus 

 segments. 



Other Records. — Bay of Bengal : Ceylon ; Philippine Islands ; Queensland ; 

 Holothuria Bank. 



Depth. — Littoral, and down to 24 fathoms. 



HETEROMETRA QUINDUPLICAVA. 



Antedon sp. ("from Station 212") 1880. P. H. Carpenter, Quart. Journ. Geol. 



Soc. (February), 1880, pp. 42, 43. 

 Antedon guinduplicava 1888. P. H. Carpenter, "Challenger" Reports, vol. 



26, Zoology, p. 262, pi. iv, figs. 1 a-d ; pi. xlvii, figs. 4, 5. 

 Heterometra quinduplicava 1909. A. H. Clark, Proc. Biol. Soc. Washington, 



vol. 22, p. 11. 



Habitat. — Philippine Islands ; Singapore. 



Depth. — Littoral, and down to 20 fathoms. 



