﻿PLATE XXVII. 



Frn. 

 1,1 n,\ b, 2. Trif/nnui Elhcridqei, Lye. Neocomiaii, Perna bed, Isle of Wight. 



(Page 127.) My cabinet. 



3, 3 a. „ ,, Young example from the same formation and 



locality. My cabinet. 



4, 5, 5 r/, 5 L „ scabricola, Lye. Greensand, Blackdown. (Page 130.) 



Mv cabinet. 



