1901.] MOLLUSKS EROM THE PERSIAN GULE. 369 



striis sjjiralihus uUimum ad anfractum circa 15 / ajpertura ovata, 

 albescente ; peristomate percrasso, nitido. 

 Long. 4, lat. I*o0 mm. 

 Hah. Karachi, 7 fathoms. 



A beautiful little Eissoina, mainly distinguished by its most 

 delicate cancellations, its pure white surface, and its roundly- 

 thickened, but translucent white peristome. 



EissoiNA (Phosinella) seguenziana Issel. 



P.G. Kharg. Tumh I. (W. T. Blanford). 



I. Bombay {Abercrombie, W. T. B.). 



EissonsTA (Schwartziella) mainwaringiana G. Nevill. 

 P.Gr. {Col. O. B. Maimuaring). 



EissoiNA (Schwartziella) triticea Pease. 



Var. microstoma Nevill. 

 P.G. Gulf of Oman ( W. T. Blanford). 



EissoiNA (Zebina) applanata Melv. 

 I. Karachi. Bombay {Abercrombie). 



EissoiNA (Zebina) oetza Garrett {=.R.stoppani Issel). 

 P.G. Tumb I. {W. T. Blanford). 



EissoiNA (Stossichia) abnormis G. Nevill. 



I. Bombay ( W. T. Blanford and J. Wood-Mason). 



A Ceylonese species, not apparently trending very far north- 

 ward. It must be very uncommon at Bombay, as it does not 

 appear in any recent collections. 



ElSSOINA (PtRAMIDELLOIDES) MIRANDA A. Ad. 



Var. bellardi Issel. 

 P.G. Gulf of Oman, Jask ( W. T. Blanford., Col. Mainwaring). 

 I. Karachi. Eare at low tide among rocks. 



Var. insolita Desh. 

 I. Bombay {Rev. S. B. FairbanTc ; A. Abercrombie). 



Irawadia trochlearis Gould. 



P.G. Bushire. Gulf of Oman, common in most hauls of the 

 dredge. 



M.C. Charbar Point, Gwadiir. Ormara. Astola I. 



I. Karachi. Bombay (F. StolicJcza, W. T. Blanford, A. 

 Abercrombie) . 



Pound mostly at muddy rocks at low tide. Often associated 

 with it is the Oscilla indica Melv., so like it as to suggest a 

 possible protective resemblance. 



Pairbankia bombatana W. T. Blanf. 



I. Bombay Harbour {Rev. S. B. FairbanJc, W. T. B., and 

 A. Abercrombie). 



Proc. Zool. Soc— 1901, Vol. II. No. XXIV. 24 



