SMITIISOXIAX M lSCELLANi:OL"S COLLKCTIOXS 



VOL. 72 



slo])e. S]^rea(ls out in a fan-like form toward its lower end. .^een in 

 |)rotile, this ])ortion of the .glacier resenihles a .L;reat animal sliding;' 

 down the sides of the hroad canyon, d'he foot of .\lons ( ilacier with 

 the stream flowin"" from beneath it is illustrated bv figure i i . 



Fig. 8. — View of Mons Peak (10,114') and the upper snow fields uf 

 Mons Glacier, also the cascade of the glacier over the clififs below. The 

 summit of the peak is more than 2 miles (3.2 km.) back of the glacier, 

 the intervening space being occupied by a great snow field from which 

 the glacier flows. The locality is about the same as for figures 2 and 5. 

 Photograph by Mr. and Mrs. C. D. Walcott, igig. 



These views ( tii^s. 5, 8, 9, lo and i 1 ) illustrate a i^lacier from its 

 neve at the base of Alons Peak ( h^-. 8) to its foot (tij^. 11). where 

 the retreatint^- ice is makinj^' its stand a.^ainst the force of the summer 

 sun and wind. 



GcoIo_i:;ical section. — The ideological section, which is beautifuUv 

 exposed in the mountain ridi^e of figure t. is of such interest that it 

 is included in this brief account of the exploration in the vicinity of 



