, 



Mr. Whitaker and Mr. Clement Reid have furnished correc- 



tions and suggestions during the progress ^f>tjhe^ \york, r an<i j the 

 names of the fossils have been brought'- into- accordance with 



v 



modern nomenclature in the 



Assistance has been rendered also by Mr. H:. A: 



Barrow, Mr. G. Clinch, Mr. T. V. Holmes and Mr. J. A. Howe. 



J. J. H. TEALL, 



Director. 

 Geological Survey Office, 



28, Jermyn Street, London. 



. 19th October, 1909. 



x (78)17412 Wt 33275 S 27/1426 1500 8/22 Jfi & S 



