PLATE XVII. 



Astarte (continued). 



Figs. 



1. A. (Eriphyla) laevis (Phill.). Claxby Ironstone, Benniworfcli Haven. Left 

 valve. York Museum. (P. 115.) 



2-7. A. (Eriphyla) striata, Sow. Upper Greensand, Blackdown. (P. 116.) 



2. British Museum, No. L 587. a, right valve; b, interior of the same; c, dorsal 



view. 

 3 Sedgwick Museum. Interior of left valve (the teeth are drawn in part from a 



specimen in the Museum of Practical Geology, No. 13187). 



4. British Museum, No. L 17076. Right valve. 



5. Bristol Museum, No. 536. Eight valve. 



6. Museum of Practical Geology, No. 13188. Eight valve. 



7. Bristol Museum. The Type of Astarte concinna, Sow. Left valve. 



Genus — Oris, Defrance. 



8-12. 0. ueocomiensis, d'Orb. Lower Greensand, Up ware. (P. 118.) 



8. Sedgwick Museum, a, right valve ; b, anterior view of both valves ; c, posterior 



view. 



9. Sedgwick Museum, a, left valve ; b, posterior view. 



10. Sedgwick Museum, a, right valve ; b, anteiior view. 



11. Mr. J. F. Walker's Collection, a, right valve; b, anterior view ; c, posterior 



view. 



12. Mr. Walker's Collection. Interior of right valve. 



13,14. 0. sp. Upper Greensand, Haldon. British Museum, No. L 17144. 

 (P. 120.) 



13 a, left valve ; b, interior ; c, anterior view. 



14 a, left valve ; 6, posterior view ; c, dorsal view. 



