Facts relating to the Great American Lakes. 297 



large water-spouts were raised, and a great body of water 

 seemed to be elevated into the air. It passed over nearly the 

 middle of this part of the lake, as it was too far from Cobourg 

 on the north side, and from Rochester on the south side, to 

 attract any attention. 



2. Fall of the Water of the Lakes, 



It is well known that the level of Lake Ontario slowly 

 descended through several months of last year. The collector 

 of the port of Genesee, L. B. Langworthy, caused accurate 

 measurements to be made at the mouth of tlve river, which 

 have been continued by his successor. The level was consi- 

 derably lower last summer than in several years before ; and 

 the level fell till the beginning of this year. About the 1st of 

 March it began to rise, as shown by the following record from 

 the collector's oiSce ; - 



The melted snows of March, and rains since, have made a rise 

 of more than a foot. 



The level of the water has been considerably lower than 

 usual in Lake Erie, and at Detroit, and in Lake Michigan, 

 also at Niagara Falls. I'he same fact is doubtless true in 

 Lake Superior ; for the same reason has been operating over 

 all the region of the great lakes. An uncommon drought for 



