Bag of Bengal and the Arabian Sea. 461 



medium costati, costis bituberculatis, in aufr. penultiruo 10, in 

 ultimo labrum versus obsoletis baud infra medium produetis, 

 ultimus antice contractus et oblique striatus ; apertura parva, 

 contracta ; labrum incrassatum, varicosum, album, ad suturam 

 sinuatum, intus denticulis 7-8 instructum, sed supra marginem 

 acutum minutius crenulatum ; columella alba, serie tuberculorum 

 minutorum munita ; canalis anterior obliquus, mediocritcr 

 angustatus. 

 Longit. 11| mm., diam. 5£ ; apertura cum canali 6 longa, intus 

 1£ lata. 



Hab. Station 237, off Andaman Islands, 90 fath. 



A very pretty glossy species. The costse are traversed by 

 two spirals producing a tuberculated appearance. Of the 

 very small tubercles upon the columella a few at the upper 

 or posterior part are more prominent than the rest. 



Clathurella rugidentata (Sowerby). 



Pleurotoma {Clathurella?) rugidentata, Sowerby, Proc. Malac. Soc. 

 vol. i. p. 38, pi. iv. fig. 11. 



Hab. Station 240, off Andaman Islands, 194 fath. (' In- 

 vestigator ') ; in 188 fath. (Soiverby). 



Besides the oblique slender costse and the fine spiral lira?, 

 nodulous at the points of intersection, the surface exhibits 

 fine spiral raised striae in the interstices. 



Trophon tenuirostratus, Smith. 



Trophon tenuirostratus, Smith, Ann. & Mag. Nat. Hist. 1899, vol. iv. 

 p. 241 ; Illust. Zool. ' Investigator,' pi. x. figs. 4, 4 a. 



Hab. Station 233, off Andaman Islands, in 185 fath. 



Trophon indicus, Smith. 



Trophon indicus, Smith, Ann. & Mag. Nat. Hist. 1899, vol. iv. p. 241 ; 

 Illust. Zool. ' Investigator,' pi. x. tigs. S, 5 a. 



Hab. Station 233, off Andaman Islands, in 185 fath. 



Fusus captivus, Smith. 



Fusus captivus, Smith, Ann. & Mag. Nat. Hist. 1899, vol. iv. p. 242 ; 

 Illust. Zool. ' Investigator,' pi. x. figs. 8, 8 a. 



Hab. Station 233, off Andaman Islands, 185 fath. 



Murex ternispina, Lamarck. 

 i, Lamk., Kiener, Icon. Coq. Yiv. ] 



Hab. Twenty-six miles W.S.W. of Ilonawar, west coast of 



Murex ternispina, Lamk., Kiener, Icon. Coq. Yiv. p. 6, pis. viii., ix., 

 Bar. 1. 



