TJie Marine Mollusca of Bombay. 31 



P. Tissoti (Petit). 



P. hippocastanuni (Lam.). 



P. Blanfordi (Melvill) sp. nov. 



P. {Cmna, Swainson), sacellum (Lam.). 



RiClNULA (Lam.). 

 R. {8isty7t7)t, Mont.), tiiberculata (De Blain). 



Konkanensis (Melvill) sp. nov. 

 siibnodulosa (Melvill) sp. nov. 

 xuthedra (Melvill) sp. nov. 



CORALLIOPHILLA (H. and A. Ad.). 



C. Jejfreysii (Smith). 



M. adiistus is pretty common amongst muddy stones. 

 P. biifo and P. Rudolfi amongst boulders at low tides. P. 

 carinifera very common on muddy rocks. U. contracta 

 also common. There seem to be two forms, one with white 

 bands crossing the ribs at the angle, the other nearly uniform 

 in colour, generally red brown, but sometimes dull white. 

 P. sacelliun — the spire of this handsome shell bears some 

 resemblance to a pagoda ; it is not uncommon in chinks of 

 rocks at low tides. Young specimens light yellow. ^^ tuber- 

 culatum, a common and remarkably massive shell for its size. 



Fam. Tritonid^. 



Triton (Montfort). 



T. pilearis (Linn.). 



T. aquatilis (Reeve). 



Both rare. 



T. {Linatella, Gray), cingulata (Pfeiffer), from Ratnagiri. 



Ranella (Lam.). 

 R.{Apollon, Montf ), tuberculatai^vod.) = olivatorQAensch). 

 R. spinosa (Lam.). 

 R. siibgranosa (Bk.). 



R. tubercnlata is the only common shell and frequents 

 low tide rocks. 



