970 STUDIES FOR STUDENTS 



with a second or later advance may have been made on a drift- 

 less surface, and subsequently buried. 



4. Intermorainic stratified drift may have originated at the out- 

 set in all the ways in which supermorainic drift may originate. 

 It may have become intermorainic by being buried in any one 

 of the various ways in which the stratified drift may become 



submorainic. 



RoLLiN D. Salisbury. 



I 



