Dr. B. F. Harrison on Solution of Ice on Inland Waters. 55 
temperature of the atmosphere was about 26°, from which it ap- 
pears that the increase of temperature was not due to the atmo- 
a depth of 3:6 x 264 = 950°4 inches; and since the latent heat 
of water is 142°, this amount of heat would melt a layer of ice 
* + 142 = 6°69 inches thick over the entire surface of the 
ce 
“SP 
(26 days), the temperature of the lake rose 2°-8, with the mean 
Hmperature of the atmosphere 81°48; but during the latter half 
Se Snow, but 2-9 inches of rain fell; it was warm for the season. 
Mee with an atmospheric temperature of 81°48 there ayer 
to be cumulate, including that 
hon, €xpected that more heat would scenes Foss uling 
Val of observations the accumulation of heat was as rapid 
