590 



T. C. CHAMBERLIN 



This terminal deposit extends around the extremity of the gla- 

 cier to the Sierra nunatak which is seen in the background of the 

 illustration, at the left. 



The wall of the glacier, which in the foreground of the illus- 



FiG. 63. — Another view of the terminal face of theTulitoo glacier at the south- 

 eastern curve of the eastern lobe, shovi'ing a more marked projection of the upper 

 layers over the lower with the fluting of the under-side of the layers. 



tration is so smooth and vertical, becomes irregular and over- 

 hanging at the extremity. This irregularity consists essentially 

 in the projection of the upper layers over the lower. This over- 

 projection reaches an extent of twelve or fifteen feet and takes 

 on the aspects which are so well illustrated in the reproduction 

 of photographs 62 and 63 as to leave little need for verbal 

 description. The projecting portions consist of thick beds of 

 nearly clear ice separated by seams of dirty ice. The phenom- 



