PLATE I. 



Fig. 



1. Dermal spine of a Deinosaur, Up ware (Coll. Mr J. F. Walker, 



M.A.). 



2. Dorsal vertebra of Plesiosaurus (F. Neocomiensis^ Camp. 1) Upware, 



a, basal view ; 5, anterior face. 



3. FlesiosauruSj sp. nov. from Brickhill. a, basal view ; 5, articular 



sur&ce §. York Museum. 



4. Sphaerodus Neocomiensis, Ag., Upware. a, base; h, surface; c, 



side view. 



5. Pycnodus Couloni, Ag., Upware. a, upper surface ; J, side view 



(Coll. J. F. Walker, M.A.). 



6. Belemnites pistilliformis, var. sub/usiformiSf d'Orbigny, Upware. 



a, front view ; b, back view ; c, side view. 



7. Belemnites (?) Upwarensis^ Kpng., Upware. a, natural size ; h, 



the same enlarged f ; c, proximal surface f; d^ the same 

 further enlarged. 



8. Belemnites subquadratus^ Komer, Brickhill. 



9. Ammonites Cornuelianus, d'Orb. Upware. 

 10. Ammonites, sp. Upware, 



