816 MESSRS. MELVILL AND STANDEN ON [Nov. 13, 



Loripes victor iaUs (Melv.), E. A. Smith, Ann. & Mag. Nat. 

 Hist. (7) vol. xviii. p. 256 (1906). 



P.G. Malcolm Inlet, at 24 fathoms. 



M.O. Lat. 25" 10' N., long. 60° 34' E. ; 40 fathoms, offChai'bar. 

 I. Karachi, rarely. 



A very beautiful and delicate concentrically lamellate shell, 

 varying in the number of the lamella?, and not yet found in prime 

 condition. 



DiPLODONTA ALATA Ad. &. Reeve [ = Mysia Leach) *. 

 M.C. Exact locality unknown. 



DiPLODONTA GENETHLIA Melv. 



P.G. Kais (or Gais) Island, 7-10 fathoms. Maskat, 1 5 fathoms. 



DiPLODONTA IIOLOSPH^RA Melv. 



P.G. Gulf of Oman, lat. 27° N., long. 52° E. Imbedded in 

 rocks at 40 fathoms. 



I. Kai-achi. At very low tides. 

 A peculiarly spheeroid species. 



DiPLODONTA INDICA Desh. 



I. 'Bomh^.y {Ahercromhie; Lt.-Col. H. D. Olivier). 



DiPLODONTA RAVEYENSis Sturauy. 



Di'plodonta raveyensis tSturany, Exped. ' Pola ' in das Rothe 

 Meer, p. 31, Taf. vi. figs. 8-11 (1899). 



P.G. & M.C. Gulf of Oman, lat. 24° 58' N., long. 56° 54' E. ; 

 156 fathoms. Lat. 25° 10' N., long. 60° 34' E. ; 40 fathoms, off 

 Charbar. 



DiPLODONTA ROTUND ATA Turton. 



M.C. General : usually in 5-10 fathoms, sandy mud. 



I. Karachi. Rarely, and impei-fect condition, at Bombay 

 (Abercrombie). 



DiPLODONTA sphj<:ricula Desh. 



P.G. & M.O. Occasionally di'edged at 5-7 fathoms, but 

 always local. 



Felania diaphana Gmel. 



I. Karachi. Dredged at 5 fathoms, sandy mud. 



Pythina PAULA A. Ad. {Mylitta D'Orb.) 



Var. pecuUaris A. Ad. 

 M.O. Off Charbar, lat. 25° 10' N., long. 60° 34' E. ; 40 fathoms. 



I. Off Bombay, in shell-sand, 1906 {F. W. T.). 

 By some authors included in the genus Tellimya Brown. 



* Cryptodon omanensis Smith has been (October 1906) described (Ann. & Mag. 

 Nat. Hist. ser. 7, vol. xviii. p. 257) from 230 fathoms in the Gulf of Oman 

 (' Investigator '). 



