TERMIXAL MORAINES. 



205 



easily convince him- 

 self of the correct- 

 ness of this sugges- 

 tion. " Some of 

 these kettle - holes," 

 Professor Koons 

 goes on to say, "are 

 upon a truly grand 

 scale ; for example, 

 one which contains 

 several smaller with- 

 in the large depres- 

 sion, and is like an 

 immense amphithea- 

 tre with the hills ris- 

 ing upon every side 

 of it. Its highest 

 border is one hun- 

 dred and fifty feet 

 above the bottom and 

 the outlet is forty 

 feet above the small 

 lake at its center ; 

 and on the south side, 

 near its border, but 

 upon still higher 

 ground, a bowlder 

 stands projected 

 against the southern 

 sky like a huge sen- 

 tinel as the observer 

 views it from the 

 bottom of this im- 

 mense pit." * As 



* " American Journal of 

 Science," vol. cxxvii. p. 262. 





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