1901.] MOLLUSKS FROM THE PERSIAN GULF. 363 



Solarium perspectivom L. 



P.G-. Heajam I. 15 fathoms, mud. Bemarkably fine. 

 M.C. Near Charbar. At 5 to 10 fathoms, amongst loose rocks 

 and muddy sand. 



Solarium regium Hanley. 



I. A fine single specimen only, dredged at 4 fathoms, Karachi, 

 amongst loose rocks. 



Solarium (Torinlv) c.elaxum Hinds. 

 P.G. Henjain Island. 10 fathoms, sand. 



Solarium (Torinia) ctlindraceum Chemn. 



M.C. Charbar. T. chemnitzii Kien., from the Layard Coll. 

 in Brit. Mus., is identical. 



Solarium (Torinia) dorsuosum Hinds. 

 P.G. Shaikh Shuaib I. 

 M.C. Charbar. I. Karachi. 



Found generally from low-tide mark to 7 fathoms, amongst 

 muddy rocks and sand. 



Solarium (Torinia) delectabile Melv. 



I. Karachi. Dredged at 7 fathoms, several examples. The 

 type from Bombay (Abercrombie). 



Solarium (Torinia) homalaxis Melv. 



P.G. Gulf of Oman, lat. 24° 05' N., long. 57° 35' E. 205 

 fathoms. Very young examples are smooth, semi-nacreous, thin, 

 ammonitiform, with large globular protoconch, the sculpture 

 commences on the third whorl only. 



I. Karachi. Bombav (Abercrombie), found at low tide among 

 muddy rocks. Lat, 18° 58' N., long. 71° 45' E., 40 fathoms. 



Until specimens quite full-grown are obtained, this must 

 necessarily be considered a somewhat doubtful species ; the white 

 colour seems fairly constant and characteristic, its nearest ally being 

 S. dorsuosum Hinds. 



Solarium (Torinia) perspectiviunculum Dillw. 

 P.G. Shaikh Shuaib Island. Perhaps only a variety of the 

 next. 



Bolabu m (Torinia) varieoatum Gmel. 



P.(i. K.-tis Island. 



Ma'. Charbar. 1. Karachi. 



Found usually from 3 to 7 fathoms, among sand and stones. 



Fam. LlTTORINID/E. 



LrrxouiNA venthicosa Phil. 



I. Bombay (Abererombie, W. '/'. Blanford), abundant. 



