Stewart— Mollusca of the Boulder Clay. 
176 
Nassa reticulata, linn . 
Belfast Waterworks, Bryce. 
Hassa pygm/ea, 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 Mmgelia. Pingdii in Brit. Assoc. Report, 
It seems to me nearly certain that the correction is right. 
Cypbjea europ^a, Montagu. 
Bangor, Co. Down, S. A. S. 
11 FEB 1S86 
