PLATE VIIT. 



FIG. 



1. Plocoscyphea pertusa, Geinitz, Brickhill. 1 b, sti-ucture 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 ( f f) ferruginised, Upware. 



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



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



10. Terebr-atula ovoides, Sby., var. rex, Ray Lankester, Upware. 106, 



side view. 



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



eroded). 



