﻿PLATE VIII. 



Actinopteria Justi, Freeh, sp. (Page 70.) 



Fig. 



1. Left valve wanting the external shell. Wolborough. Vicary Collection. 



ACTINOPTE ria Wurmii, F. A. Romer, sp. (Page 71.) 



2. Left valve of a coarse-ribbed specimen. Lumniaton. My Collection. 



3. Left valve of a fine-ribbed and well-preserved, but very defective specimen. 



Lummaton. My Collection. 



5. Left valve of a specimen partly hidden by the matrix. Lummaton. My 



Collection. 



Actin optepja rudis, Phillips, sp. (Page 73.) 



4. Left valve of a small specimen, showing the long anterior wing. Lummaton. 



My Collection. 



6. Left valve of a larger specimen, defective in front ; 6 a, portion of surface 



enlarged. Lummaton. My Collection. 



Actinopteria placida, Whidborne, sp. (Page 67.) 



7. Left valve of a specimen set obliquely in the matrix and injured behind ; 



7 a, portion of the worn surface enlarged. Lummaton. My Collection. 



Actinopteria dilatata, Whidborne, sp. (Page 64.) 



8. Right valve of a very large, but much injured, specimen ; 8 a, portion of 



posterior wing enlarged. Wolborough. Vicary Collection. 



Pterinopecten Cybele, Barnnule, sp. (Page 82.) 



1). Left valve of a well-preserved specimen, wanting the umbo; 9 a, portion of 

 surface 1 enlarged. Lummaton. My Collection. 

 10. Left valve of a smaller specimen showing the front wing; 10 a, portion of 

 surface enlarged. Lummaton. My Collection. 



