﻿PLATE XXVIII. 



Fig, 

 1 o 



'i rif/oiiia -spinosa var. subovata. Lye. Chloritic Sands, Warminster. 

 See also PI. XXIII, fig. 10. (Page 13G.) 

 My collection. 



3, „ sulcataria, Lam. Pebble bed, llaldon. See also PI. XXVI, 



fig. S. (Page 135.) Coll. W. Vicary, Esq. 



4, 4 a. „ Vicaryana, Lye. Portion of the surface magnified. See 



also PI. XXV, figs. S, 9. Pebble bed, 

 Haldon. (Page 141.) Coll. W. Vicary, Esq. 



5, 5 a. „ aliformis. Park. Also PI. XXV, figs. 3, 3 «, 4, 4«. Green- 



sand, Blackdown. (Page 116.) Coll. W. 

 Vicary, Esq. 

 0, f) a, 0, 10. „ ewcenirica. Park. Specimens exhibiting the change from 



T. sinuata to T. excentrica. Greensand, 



Blackdown. (Page 94.) Coll. W. Vicary, Esq. 



7. „ Tealbi/ensis, Lye. Middle Neocomian Formation, Tealby. 



(Page 114.) Woodwardian Museum, Cam- 

 bridge. 

 dmlalaa. Park. Inner surface. See also PI. XXII, figs. 

 7, 8, and PI. XXIII. figs. 2, 3. (Page 100.) 

 Greensand, Blackdown. My cabinet. 



