UROLOGY. 197 



interesting outline, which I know, so far as my 

 observation extends, to be correct, and which a 

 friend of mine derived from an ingenious gentle- 

 man of the west. 



A ridge commences at the Little Falls on the 

 Mohawk river, and from thence takes a south 

 westerly direction, until it passes the south end 

 of the Seneca Lake ; from thence it turns, and 

 and continues nearly a west course, until it enters 

 that part of the state of Ohio called New Con- 

 necticut. It there diverges to the south west, and 

 expands into a level country. It however, main- 

 tains nearly the same horizontal level, and pas- 

 sing round the south end of Lake Michigan, 

 bends to the north, and continues in a northerly 

 direction between lakes Michigan and Superior on 

 the one side, and the riverMississippi on the other, 

 keeping that course even beyond their waters, 

 %nd forming the height of land that embosoms 

 the Lake of the Woods, and the other lakes in 

 that region. It may be observed that this ridge 

 divides the waters that fall into the Mohawk, One 

 tario, Erie, Huron, Michigan, and Superior, on, 

 the one side, from those of the Susquehannab, 

 Allegany, and different branches of the Ohio and 

 Mississippi on the other. Near the Little Falls, 

 and until it passes the head of Seneca Lake, on 



the northerly side it forms in many places a hilly 



K 



