GEOLOGICAL LITERATURE 



[List of Authors and Titles] 



ADDED TO THE 



GEOLOGICAL SOCIETY'S LIBRARY 



DURING THE 



Year ended December 31st, 1920. 



Compiled by the Librarian. 



i m i 



GEOLOGICAL SOCIETY, 



BURLINGTON HOUSE, 

 L 0 N D 0 N. 

 1921. 



