﻿544 Mr. E. P. Oulverwell on the Inadequacy of the 



to be — 226° F. If, following Croll's method, we calculate 

 the midsummer and midwinter sun-heats, we find the ratio 

 to be 7600 to 260, or 370 to 12*5. It is unnecessary to dwell on 

 the discrepancy between these figures and the temperatures. 









BiSS 









H&EI 



lEjBj 























H53S5S5 







WTHm 



I^KsJ 



HI 







B?w 



903 



H 







1033 



K>^B 



HI 





wKH 





B9 



40 c 



50 c 



60° 



70° 



80° 



90 c 



Fig. 1. — Showing the want of proportionality between winter 

 temperatures and winter sun-heat. 



A A, curve of average daily summer sun-heat. 



B B, curve of average daily winter sun-heat. 



a a, curve of mean Continental July temperatures. 



b bj curve of mean Continental January temperatures. 



