PLATE YIIT. 



Fig. 



1. Plocoscyphea pertusa, Geinitz, Brickliill. 1 h, structure of the 



same, enlarged. 



2. Verticellites annulatus, Kpng., Upware. 



3. Verticellites clavatus^ Kpng., Upware. 



4. Corynella nodosa, Kpng., Brickhill. 



5. Corynella, sp., Brickhill. 



6. Pachytiloda, sp., Upware. 



7. A small fruit C^) ferruginised, Upware. 



8. Cucullaea vagans, Kpng., Upware (derived). 8 b, the internal cast. 



9. Cucullaea Donningtonetisis, Kpng., Upware (derived). 



10. Terehratula ovoides, Sby., var. rex, Ray Lankester, Upware. 10 b, 



side view. 



11. Ammonites biplex, Sby., Upware (a phosphatised specimen, much 



eroded), 



