Messrs Leslie i; Herdman on Invertetn-ata of Firth of Forth. 307 



Nassa incrassata, var. simulaTis, 



Occasionally at North Berwick and Gran- 

 ton (if.)- 



Pleurotomid^. 



Defrancia linearis (Mont.). 



Common on the beach at North Berwick 



and Dunbar (if.). 

 D. linearis, var. aequcdis. 



Somewhat common on the beach at North 



Berwick and Dunbar (if.). 

 Fleitrotoma costata (Donov.). 



Firth of Forth ; in shell sand at Gran- 

 ton, Longniddry, North Berwick, and 



Dunbar (if). 



We have found this species on the beacli 



near Aberdour. 

 P. septangidaris (Mont.). 



Firth of Forth {MB). 

 P. rnfa (Mont.). 



Wardie and North Berwick, in shell 



sand {M). 

 P. turricula (Mont.). 



Firth of Forth {M'B.) ; on the beach a,t 



Wardie, Longniddry, North Berwick, and 



Dunbar {M.) ; Bass Ptock, 24 fatlioms 



{Mctz. a7id Mey). 

 P. turricula, var. rosea. 



North Berwick and Dunbar {M). 

 P. trcvclyana (Turt.). 



Bass Eock, 24 fathoms {Metz. and Mcy) ; 



Firth of Forth {M Andrew). 



Marginella laevis (Donov.). 



Laskey gave Dunbar as a locality, but liis 

 specimen w^as a tropical species {Br Gwyn 

 Jeffreys). 



