(r,n]<„iij ttnij Miiu I'dhxiy. 



C. This excess of cold wov, 



• la vers being 

 red from surfac 



years for the time of their develc 

 annual increase in volume is -U | 

 eohl of winter is .-ill employed in 

 calculated that the hypothesis ad 

 ature of the glacier descends in 

 numbers —1° C. This temperat 

 obviously dependent upon the ac 



o tin 



illlm-l.C. 



■ liiata, 



>art 



of tiie increase is 



;1(T 



..ninl 



i>he,| l.v • 





* different 



from th? 











i. 1 



■l.us. at tie 



ml o| 



the sumi 





ishlerable porti 











r the 





ire of mt 



■;;:;;: 



■ n ;i?5 



i'B 



"of 



S 



ou- a. tl„ 

 n^,,f heal 







tin- erv- 



talln 





Taking 



f into ac 



count this 



i'l'e -Hill !-'t ■ 





tions of Agassiz 







from 7 a f more* 



l^n-i'.'l'' 











fact. He prom; 



ises further : 





vation at a later 







In regard to 







places himself < 



,U the side 



,.f Ilil-i 



theory of expansion, although modi) 



