SMITHSONIAN CONTRIBUTIONS TO KNOWLEDGE SHERZER. 



PLATE XXXV. 



FIG. i. Regelation of ice blocks at foot of ice cascade, Illecillewaet Glacier, September, 1904. 



Kit;. 2. Stratification in upper part of Illecillewaet Glacier. 

 Copyrighted, 1902, by the Detroit Photographic Co. 



