176 Stewart^Mollusca of the Boulder Clay. 



Nassa reticulata, linn, 

 Belfast Waterworks, Bryc§. 



Hassa pygm^ba, Lamarck. 



Bangor, Co. Down, S. A, S, 



Nassa incrassata. Stromer. 



Ballyrudder, Co. Antrim, S. A. S. 



Pleurotoma turricula, Montagu. 



Ballyrudder, Co. Antrim, Jeffreys and Hyndman. 



Pleurotoma decussata, Couthouy. 

 Ballyrudder, Co. Antrim, S. A. S. 



Pleurotoma exarata, Moller. 



Ballyrudder, Co. Antrim, S. A. S. 



Pleurotoma pyramidalis. Stromer. 



Ballyrudder, Co. Antrim, Jeffreys and Hyndman. Dr. Jeffreys thinks that 

 this was the shell published as Mangelia Pingelii in Brit. Assoc. Report. 

 It seems to me nearly certain that the correction is right. 



Cypr<<ea europ^a, Montagu. 

 r, Co. Down, S. A. S. 





11 FEB 1886 



