328 MOLLUSCA. 



Genus Ovula. 

 O. j)aUila, Penn. (sp.). 



A shell of this species, found some years ago on the sandy beach of 

 Magilligan, County of Londonderry, lay Mrs. R. A. Hyndman, of Dublin, 

 is in the cabinet of Mr. Hyndman, at Belfast. 



Birterbuy Bay and Arran, jNIr. Barlee. 



O. acu7ninata, Brug. 



At Arran, off Galway Bay, by Mr. Barlee. About the same time 

 (May, 1848) Mr. M* Andrew's dredge brought up a dead specimen between 

 Penzance and the Old Head of Kinsale. He also took the species in 60 

 fathoms water, on sandy mud, about 15 miles off Mizen Head (the 

 nearest land), and in Bantry Bay. 



Genus Erato. 

 E. Icsvis, Don. 



M. Malbay, rare, Prof. W. H. Harvey ; Magilligan (Co. Londonderry), 

 G. C. HjTidman ; South Islands of Arran, Dr. R. Ball. 



Genus Tornatella. 

 T.fasciata, Lam. 



Generally distributed. 



Family SiGAEETIDiE. 



Genus Sigaretus. 

 S. persjncutts, Linn. 

 Generally distributed. 



^S". tentacuJatus, Flem. 



In January, 1835, two small individuals, about 4 lines in length, of this 

 rare species, were dredged in Strangford Lough by Mr. Hyndman and 

 myself. 



Arran, Mr. Barlee. 



V. Ixsrifjata, Linn. 

 Generally distributed. 



V. otis, Turt. 

 Procured at Miltown Malbay by Professor Harvey; and in Clifden 

 Bay, County Galway, a dead specimen was obtained by dredging, in July, 

 1840. R. Ball, E. Forbes, W. T. 



Genus Velutina. 



Family Naticid^. 

 Genus Natica. 



N. monilifera, Lam. 

 Of general occurrence. 



N. nitida, Don. 

 Generally distributed. 



