1901.] MOLLUSKS FEOM THE PEESIAN QXTLF. 409 



BfLLIA (PsEUDOSTBOMBUS) VIITATA L. 



M.C. Charbar Point. ■ • 



Nassa aecttlaeia L. 



P.G. Grulf of Oman, Maskat. 



M.C. Genei-ally distributed on the coast of Baluchistan at from 

 10-20 fathoms, mostly muddy sand-bottom. 



Nassa coeonata L. 



P.G. Gulf of Oman : Malcolm Inlet (Kubbatt Ghazira). 25 

 fathoms, muddy sand. 



Nassa pulla L. 



P.G. On Cable, 24 fathoms, muddy sand-bottom. 

 M.C. Charbar Point, at low tide. 

 I. Karachi. 



Nassa (Aeculaeia) leptospiea a. Ad. 



I. Karachi. 3 to 7 fathoms, on hard sandy mud. 



Nassa (Aeculaeia) obockensis Jouss. (=zailensis Sowb.). 

 P.G. Shaikh Shuaib Island. Linjah, 3^ fathoms. 



I. Karachi. 

 This species has been found to extend to the Andamans {Booley). 



Nassa (Aeculaeia) peesica v. Mart. 



P.G. and M.C. Prom half-tide to low-water mark on every 

 variety of bottom. 



Nassa (Aeculaeia) theesites Brug. 

 Var. bimaculosa A. Ad. 



P.G. Galig Island. 



I. Bombay, and Eatnagiri (Abercrombie), the typical form 

 only. 



Nassa (Alecteyon) babtlonica S. Wats. 



P.G. Gulf of Oman : lat. 24° 55' N., long. 57° 59' E. ; 37 

 fathoms, sand and mud. Also lat. 25° 14' N., long. 59° 45' E. ; 

 80 fathoms. 



I. Karachi. Eare at 7 fathoms. Lat. 18° 58' N., long. 71° 

 45' E. ; 40 fathoms. 



Nassa (Alecteton) o^lata A. Ad. 



I. Karachi. 3 fathoms, loose stones and muddy sand. 



Nassa (Alecteton) collaticia\ sp. n. (Plate XXIII. fig. 10.) 

 N. testa mediocri, ovata vel oblongo-ovata, solicla, alba, subnitente ; 

 anfractibus 8, quorum apicales tres subpellucidi, Iceves, ad medium 

 sub lente delicate spiraliter unicarinati, cceteris turritis, infra 

 suturas spiraliter uniplicatis, ad castas nodulosis, in typo cas- 

 taneo-tinctis, undique longitudinaliter oblique paucicostatis, costis 



^ collaticius, gregarious. 



