﻿PLATE XVII. 



Fig. 



1. Triffonia }Foodwardi,ljyc. Kimmeridge Clay, Doisetsliiie. (Page 40.) 



2. 3, 4. ,, Beesleyana, Lye. Inferior Oolite, Combe Hill, Oxfordshiie. (Page 90.) 

 5, G. ,, tindulata, From. Great Oolite, South Lincolnsliire. (Page 77.) 



7. „ clytia, D'Orb. Great Oolite, Bo.x, near Bath. (Page 70.) 



