77 



from east to west, is about 78 miles." And further, 

 " Its general altitude above the neighbouring land is 

 thirty feet, and its width varies considerably ; in 

 some places it is not more than forty yards ; its ele- 

 vation above the level of lake Ontario is perhaps 136 

 feet, to which it descends by a gradual slope, and its 

 distance from that water, is between six and ten miles. 

 There is every reason to believe that this remarkable 

 ridge was the ancient boundary of this great lake." 



Of this latter remark there can be no doubt. But 

 before I proceed to make any comments on the above 

 quotations, I shall otter a few remarks on the subject 

 of lake Ontario. 



