INDEX TO THE PLATES- 83 



Fig. 5. Transverse section of another portion of fossil wood, from the Whitby 

 lias. 55. 



6. Transverse section of a small portion from a large mass of fossil wood, 



found in the upper lias, near Whitby. Natural size. 



7, 8. Transverse sections of the same. 55. 



9. Transverse section of a fossil tree from the Whitby lias. 55 . 



10. Transverse section of another fossil tree, from the Whitby lias. 55. 



11. Transverse section of a fossil tree, from the grey-limestone, near Whit- 



by. 55. 



12. Transverse section of another fossil tree, from Whitby lias. 55. 



13. 14. Transverse sections of a fossil tree from the Island of Eig. 55. 



PLATE XV. Fossil Vegetables of the Lias. 



Fig. 1. Transverse section of the Whitby tree, figured in Plate IX., Peuce Lin- 

 dleiana. 100. 



2. Longitudinal section, parallel to the medullary rays. 100. 



3. Longitudinal section, parallel to the bark, 100. 



4. Longitudinal section of Peuce Huttoniana. 150. 



5. Longitudinal section of the same, parallel to the bark. 150. 



6. Transverse section of Peuce eggensis. 100. 



7. Transverse section. 150. 



8. Longitudinal section, parallel to the medullary rays. 150. 



9. Longitudinal section, parallel to the bark. 150. 



PLATE XVI. 



Fig. 1. Transverse section of fossil wood, found near Whitby. 55. 



2. Longitudinal section, parallel to the bark, of the Lennel Braes' tree. 55. 



3. Transverse section of Wideopen tree. 100. 



4. Transverse section of a fossil tree from New Holland. 55. 



5. Transverse slice of the Newbiggin tree. 100. 



6. Transverse slice of silicified fossil wood. 55. 



