1901.] MOLLUSKS FROM THE PERSIAN GULF. 387 



Gyrineum crumexa (Lam.). 



P.G-. 13 fathoms, rock and umddv sand. 



M.C. S.E. of Astola Island. 



Gyrfneum spixosum (Lam.). 



M.C. Dead specimens noticed everywhere along the coast-line. 

 I. Karachi. Alive, but sparingly, on mud-flats. Bombay 

 (Abercrombie ; Olivier). 



GYRINEUM SUBGRANOSUM (Sowb.). 



I. Bombay {Abercrombie ; Olivier). 



Gyrfn'eum (Lampas) graniferum (Lam.). 

 M.C. Charbar. 7 fathoms, on rocks. 



I. Karachi. AmoDgst muddy rocks at low tide. 



Gyrineum (Lampas) lampas (L.). 

 P.G. Dredged at 7 fathoms. 



I. Karachi. At very low tide on muddy rocks. 



Gyrfneum (Lampas) ranelloides (Rve.). 

 I. Karachi. 



Gyrixeum (Argobucclnum) anceps (Lam.). 

 I. Karachi. 



Gyrineum (Argobuccinum) bituberculare (Bve.). 

 P.G. On telegraph-cable. 40 fathoms. 



Gyrineum (Argobuccfnum) pusillum (Brod.). 

 P.G. Gulf of Oman, Maskat. 

 M.C. Charbar. 12 fathoms. 



Gyrixeum (Argobuccixum) tuberculatum (Brod.). 

 P.G. M.C. I., Karachi; widely distributed on muddy banks 

 at low tide. Bombay (Abercrombie). 



Distorsio ca>celli>*us Roissy. 



Var. decipiens Beeve. 

 P.G. Gulf of Oman, Maskat. 15 fathoms. 



Sect. ii. Heteropoda. 



Fam. PTEROTRACn.EID.E. 



Cari.n'akfv sp. 



P.G. Gulf of Oman. Only an apical fragment. 



Bam. Vn.ANTin.i:. 



Ati. \vr\ PEBOHI1 Less. 



P.G. Gulf of Oman. From 37-600 fathoms, with (la; above. 

 None taken living. 



25« 



