SMITHSONIAN CONTRIRL'TIONS TO KNOWLEDGE— SHERZER. 



PLATE XXIX. 



Fig. I. — Formation of Forbei's dirt bamls from crevasses, Yolio Glacier, August, 1904. 



Fig. 2. — Hanging Valley, head of Voho, lying between Mts. IJalfour and Gordon. 



August, 1904. 



