fcfi 



1^0 



READ BEFORE THE 



iritish QmiMtm for the JuJuanqment of gtfnup. 



BRISTOL, 1898. 



GEOLOGICAL SECTION. 



THE LAWS 



CLIMATIC EVOLUTION. 



BY 



Marsden Manson, C. E., Ph. D. 

 1 



Sometime Asst. Prof, of Physics and Chemistry, Virginia Military 



Institute; Mem. Am. Soc. C. E.; Geological Society of 



Australia; Glacialisls' Association; California 



Academy of Sciences, etc., etc. 



