GLACIAL STUDIES IN GREENLAND 



231 



nounced crevassing emphasizes the slight ductility of the ice. 

 The failure of the ice to fill up the inequalities and form a con- 

 tinuously declining surface after the fashion of liquids is a fur- 

 ther feature of interest. The undulations are so great as to 



Fig. 65. The end of Bovvdoin glacier. The head of Bowdoin Bay is seen at the 

 right and the crevassed end of the glacier in the center and left. The dark line rep- 

 resents the medial moraine. The absence of other debris is notable. A portion 

 of the ice-cap and the Mirror glacier are dimly seen in the distance. (The sky has 

 been a little penciled.) The rounded embossment on the right is Bartlett Mountain, 

 about 2600 feet high, 'he name being specifically applied to the frontal promontory. 

 Sugar Loaf is seen at the left of Mirror glacier. 



give rise to irregular surface drainage. In one instance at 

 least, to which I was guided by Lieutenant Peary, the 

 drainage is reversed. A considerable brook runs in a direc- 

 tion opposite to that of the motion of the glacier. It flows 

 northward while the tjlacier flows southward. The northward 



