124 ECHINODBRMA OF THE INDIAN MuSEUM, PART Vir. 



been turned over to Dr. W. H. Dall for study in connection with the moUusca 

 of the '' Albatross" 1906 cruise. 



Otuer Records. — Ceylon; Gulf of Manaar, Pamban and Tuticorin, Ma- 

 dras Presidency. 



Depth.— Littoral, and down to 7 ( ? 9) fathoms. 



HETEROMETRA SAVIGNII. 



Cowalidd iiinJtinidlata 1817. AuDOUiN, in Savigny, Description de I'Egypte, 



Echinodermes, pi. i, figs. 1 — 6. 

 Comatitla adeoncc^ 1836, DE Blainville, Manuel d'Actinologie. 1834, pi. xxvi, 



figs. 1 — 5. 

 Alecto savignii 1S41. J. MtJLLER, Archiv fiir Naturgesch., 1841, i, p. 144. 

 Heteromctra savignii 1909. A. H. Clark, Proc. Biol. Soc. Washington, vol. 22, 



p. 11. 



Localities. — Kurrachi. — One medium-sized specimen ; there are 26 cirrus 

 segments, the distal with strong dorsal spines. 



Straits of Ormuz, at the entrance to the Persian Gulf: 48-49 jathotns : nimlilii 

 bottom. — Seven specimens; one has twelve arms 80 mm. long and cirri XVI, 

 25-28, 15 mm. long; one of the two IIBr series is 2, the other 4 (3-|-4) ; another 

 has eleven arms 65 mm. long, the cirri being XV, 26-32, 15 mm. long ; the single 

 IIBr series is 4 (3+4), another has twelve arms 75 mm. long the cirri being XX, 

 33-34, 20 mm. long ; both division series are on the same ray, and both are 

 6 (3-f-4) ; another has thirteen arms 115 mm. long and cirri XIX, 31-33, 20 mm. 

 long; IIBr series are developed on three rays; another has ten arms 90mm. long 

 and cirri XVI, 26-f, 20 mm. long; another has nineteen arms 90 mm. long and 

 cirri XVII, 28-33, 20 mm. to 22 mm. long; the last has eighteen arms 75 mm. 

 long. 



Other Records. — Red Sea ; Gulf of Suez ; Tor ; Ul Shubuk ; Khor Shinab ; 

 Salaka ; Muscat ; Kurrachi. 



Depth.— Littoral, and down to 12 fathoms. 



Remarks. — Mr. Chadwick erroneously gives this species as ranging to 

 Ceylon. 



HETEROMETRA COMPTA. 



Heterometra compta 1909. A. H. Clark, Proc. U. S. Nat. Mus., vol. 36, p. 636. 



Description. — Centrodorsal discoidal, the bare polar area flat, slightly 

 convex, or slightly concave, about 5 mm. in diameter ; cirrus sockets arranged 

 in a single more or less irregular marginal row. 



Cirri XVIII-XXIII, 31-35, 23 mm. to 25 mm. long ; first segment very short, 

 the next three nearly two and one half times as broad as long, the following 

 gradually increasing in length to the sixth or seventh, which is about as long as 

 broad ; next five to seven segments usually slightly longer than broad (some- 



