VOL. XVII. (3) SEVERN PLAIN IN GLACIAL EPOCH 



377 



It is stated that the Ohva was found in good preservation, 

 under twelve feet of gravel, by Strickland and Allies. 



Murchison gives a further list of shells, " associated with 

 the Northern Drift in the Vale of Worcester " : — Buccinum 

 {Nassa) reticulatuni, Dentalium entalis, Littorina littorea, TeUina 

 solidula, Cardium tuberculatum, Cyprina islandica, Turritella 

 ungulina {? communis), Turritella terebra {? communis), with 



