﻿PLATE XXIII. 



Fig. 



1. Trigonia dadalea, Park., var. confusa. Greensand, Little Haldon. (Page 102.) 



Coll. Vicary. 



2. „ „ Large example of the typical form. Greensand, Blackdown, 



near Collumpton. (Page 100.) My cabinet. 



3. „ ,, Another example from the same position and locality. My 



cabinet. 



4. 4 a, 4 b. „ Fittoni, Desh. Gault, Folkestone. (Page 132.) My cabinet.) 



5. „ Internal mould from the same formation and locality. Coll. 



Rev. T. Wiltshire. 



6. „ Meyeri, Lyc. Chloritic Marl, near Sidmouth. (Page 125.) My 



cabinet. 



7. „ Archiaciana, D'Orb. Greensand, Blackdown. (Page 140.) Coll. 



Vicary. 



8. 9. ,, Upwarensis, Lyc. Neocomian, Upware. (Page 143.) My cabinet. 



10. ,, Spinosa, Park., var. Upper Greensand, Isle of Wight. (Page 136.) 



My cabinet. 



11. „ Cunningtoni, Lyc. Upper Greensand, Devizes. (Page 146.) Coll. 



Cunnington. 



