SMITHSONIAN CONTRIBUTIONS TO KNOWLEDGE— SHF.RZER. 



PLATE XXI [I. 



KlG. I. — Drainage brouk from Wei.kchemna Glacier, August, lyo^. Free from sediment 

 and having a summer temperature of 35 to 36° F. 



No. ... No. 3. N'". 4. N... 



Fig. 2.— General view of eastern end of Weukchemua Glacier, August, 1004. Looking suuthu ard. i lie very complete 

 covering of rock debris and irregular surface are well shown. 



