632 THE JOURNAL OF GEOLOGY. 



conceived, was the superglacial drift notably more oxidized and 

 disintegrated than the subglacial at the time of its deposition. 

 It is not believed that this belt of notably oxidized and disin- 

 tegrated superglacial drift could have been many miles in width, 

 even when the ice-sheet with which it was connected was wide. 

 Toward the direction whence the ice came, the character here 

 noted would gradually disappear. 



Rollin D. Salisbury. 



