﻿PLATE XII. 



Fig. 



1. Trigonia Carrei, Mun. Chal. Portland Limestone, Tisbury, Wilts. (Page 72.) 



2, 3. „ Painei, Lye. Great Oolite, Minchinhampton. (Page 59.) 



4. „ „ Specimen from the Great Oolite of South Lincolnshire. 



5. „ „ Young example from the same locality. 



6. (), a. „ costatula. Lye. Young example. Inferior Oolite, Leckhampton Hill, 



Cheltenham. (Page SL) 6, a, enlarged. 



7. „ tripartita, Forbes. Cornbrash, Chippenham. (Page 74.) 



8. ,, mhglobosa. Lye. Inferior Oolite, near Stroud. (Page 68.) 



9. 10. „ „ Large specimens of the same species, from the same for- 



mation and locality. Coll. Royal School of Mines. 



