27i Wisconsin- Academy of Sciences^ Arts, and Letters. 



Pine Lake, Waukesha County, Wisconsin. 



These observations were made with, the self-registering thermometer^ 

 Fahrenheit scale, manufactured by Hicks, of London; checked in same cases 

 by Green's U. S. Signal Service thermometer. 



' Average of ten observations. 

 ^ Average of five observations. 

 * Two observations. 



- Average of five observations. 



* Two observations. 



* Two observations. 



