286 Proceedings of the Royal Physical Society. 



Venerid^. 



Venus exoleta (Linn.). 



Firth of Forth {M'B) ; Firth of Forth, 7 

 fathoms {F. and H.). 



Frequently cast up alive at North Ber- 

 wick ; common at Newhaven, brought in 

 by fishermen {M.). 



We have dredged it west of Inchkeith in 

 5 fathoms, and at Newhaven. 



V. liucta (Pult). 



Firth of Forth {MB., and F. and ff.); 

 Bass Eock, 24 fathoms {Metz. and Mey.). 

 Cast up alive at Leven, Fife, and on the 

 North Berwick shore, near Fidra. It 

 appears to be less common in this Firth 

 than it is in St Andrew's Bay (if.). 

 We have dredged it in 7 fathoms. 



V.fasciata (Da Costa). 



Firth of Forth (MB.). 



Cast up on the shore at North Berwick 



(M.). 



We have taken this species on the shore 



at Anstruther. 



V. fasciata, var radiata. 



Cast up on the shore at North Berwick 

 (M.). 



V. casina (Linn.). 

 V. ovata (Penn.). 



V. gallina (Linn.). 



Dead valves occasionally at North Ber- 

 wick, especially on the east shore (M.). 



Firth of Forth {MB). 



Dead valves at Cramond Island and Canty 



Bay (if.). 



Firth of Forth {MB., and Ed. Mus.) ; 

 Bass Eock, 24 fathoms {Metz. and Mey.). 

 Alive on Cockenzie shore at low water, 

 sometimes without any markings on the 

 shell (if.). 



