DESCRIPTION OF PLATE 1. 



FOSSIL SHELLS FROM THE FKESH-WATF.I; EOCENE DEPOSITS, 



Fig. 1". — Planorbis euomphalus ; the underside. 



1. — The same shell on the upper side ; from Calbourne. 



•2 Planorbis cylind/ricus ; Calbourne. 



2". — Planorbis obi us us ; Shalfleet. 

 3. — JAmneus longhcaius ; Binstead. 

 4. — Limneus fusiformis ; Headon Hill. 

 5. — Limueu.s maximus ; Calbourne. 

 0. — Palwlina angulosa; Calbourne. 

 7. — Bulimus elliplicus ; Binstead. 

 S. — Bulimus eoslellalus ; Shalfleet. 



These fossil shells occur in the limestone and marls at Headon Hill, 

 and in the quarries at Dodspits, Shalfleet, Calbourne, and Binstead, near 

 Ryde. The Planorbis and Limneus, are the most abundant genera ; and 

 casts of the common species may be seen in profusion in the cream-coloured 

 limestones used in the walls of cottages, barns, ike, in the northern parts 

 of the Island. 



