LOGICAL LITERATURE 



ADDED TO THE 



GEOLOGICAL SOCIETY'S LIBRARY 



DURING THE 



/ears 1915, 1916, 1917, 1918, and 1919. 



COMPILED BY 



T. H. D1GGES LA TOUCHE, M.A., F.G.S. 



[ISSUED MAY 31st, 1923] 



GEOLOGICAL SOCIETY, 

 BURLINGTON HOUSE, 

 LONDON, W. 1. 

 1923. 



Price 10 s. 



