1901.] MOELUSKS FROM THE PERSIAN GULF. 451 



Caxcellaria (Trigotstostoma) costifera Sowb. 

 I. Karachi. '6 fathoms, loose stones and sandy mud. 

 Bombay (Abercrombi ). "Only in one locality, washed up by heavy 

 seas, with O.scalarina Lam."' Bassein and southwards (Olivier). 



CANCBLLABIA (TrIGOWOSTOMa) CBBH3PBBA Sowb. 



P.G. Gulf o£ Oman. Maskat. 15 fathoms. 

 I. Karachi. 



Var. serrata Beeve. 

 P.G-. Gulf of Oman, Maskat, with the type. 



Caxcellabia (Trigonostoma) crisp at a Sowb. 

 I. Karachi, but rarely. 



Cabcellaeia (Trigobostoma) htstrix Eve. 

 P.G. Gulf of Oman, Jask. 



M.C. Generally off the Persian coast. 7-10 fathoms, in 

 muddy bottom. 



Cabcellaria (Thigoxostoma) lamellosa Hinds. 

 P.G. Generally found 10-15 fathoms, among dead shells and 

 mud. By some authors considered a variety of C. crenifera Sowb. 



Cabcellabia (Tkigoxostoma) paucicostata Sowb. 



P.G. Shaikh Shuaib I. Also on telegraph-cable adhering to 

 the upper part of Rapanct Lulbosa, 30-50 fathoms. Lat. 25° 14' 

 N., long. 59 45' E., 80 fathoms. 



Cabcellabia (Tkigoxostoma) scalaeiba Sowb. 

 P.G. Pound generally in 10 fathoms, mud and dead oyster-shells. 

 I. Karachi. Bombay {Abercrombie), only washed ashore in one 

 place, after storms. 



Cabcellabia (Trigowostoma) wiemeri Sowb. 

 I. Angrias Bank {Captain W. 8. Tindall). 



Specimens of a CanceUaria, very distinct, and with C. macrospira 

 Ad. & Bve. as sole allv, have lately (April 1901) been dredged by 

 Mr. Townsend off Bombay, lat." 18° 58' N., long. 71° 45' E., 

 40 fathoms, unfortunately too late for description at the present 

 opportunity. 



Order OPISTHOBRA^CHIATA. 



Suborder i. TECTIBRANCII1ATA. 

 I'atn. A i rBOBEDJS. 



SOHDULi U i IMS (A. Ad.). 



P.O. and M.C. Generally found at '■>-! fathoms, muddy Band. 



1. Karachi. 



Var. ooi cinttia Rve. i >p.;. 

 I. Karachi. 



