PLATE I. 



Figs. 1—42 are drawn in natural size. 

 Fig. 1. Cladophlebis sp. 



2. Sphenopteris sp. a. 



3. Sphenopteris sp. b. 



4. Sphenopteris sp. c. 



5 & 6. Sphenopteris (Adiantites) sp. d. 



7. Pterophyllum ? sp. 



8—19. Ginkgo polaris Nath. 

 20 & 21. Ginkgo polaris Nath. var. pygmoea. 

 22—24. Ginkgo sp. 

 25—30. Feildenia sp. 



31. Podozamites ? sp. 



32. Feildenia? 



33. Male flower of Ginkgo. 



34. Czekanowskia ? 



35. Czekanowskia cf. rigida Heer. 

 36—38. Czekanowskia? 



39 — 41. Phoenicopsis cf. angustifolia Heer. 



42. Ahietites? sp. 



Figs 43 — 57 are magnified drawings. 



43. Cladophlebis sp. (Fig. 1). 



44. Sphenopteris sp. a. (Fig. 2). 



45. Sphenopteris sp. b. (Fig. 3). 



46. Sphenopteris sp. c. (Fig. 4). 



47 & 48. Spheno2)teris (Adiantites) sp. d. (Figs. 5 & 6). 



49. Male flower of Giw^o (Fig. 33), 



50. Ginkgo polaris Nath. var. pygmcea. (Fig. 20). 



51. Ginkgo polaris Nath. (Fig 18). 



52. Ginkgo polaris Nath. var. pygmcea (Fig. 21). 



53. Ahietites sp. (Fig. 42). 



54. Czekanowskia cf. rigida Heer. (Fig. 35). 



55. Czekanowskia? (Fig. 34). 



56. Leaf of Taxites with parasitic fungus. 56 a, part of 

 fig. 56 still more magnified. 



57. Pterophyllum? sp. (Fig. 7). 



