﻿PLATE X. 



Fig. 

 1, 2. Triffonia Voltzii, Ag. (71 Thurmanni, Cont.). Kimmeridge Clay, near 



Weymouth. (Page 20.) 



3, 3, n. „ detrifa, Terq. and Jour. Forest Marble, near Cirencester, 



Gloucestershire. (Page 75.) 



4. „ „ Cornbrash, Hilperton. (Page 75.) 



5, 7, 8. „ conjungens, Phil. Inferior Oolite (Millepore bed), Cloughton, near 



Scarborough. (Page 62.) 



6. „ geograpkica, Ag. Coral Rag, Pickering. (Page 69.) 



