Variation' and Correlation in Timothy, 



449 



y /i> if 20 zf JO jr /o if 20 7S jo y /a if_ jo is jo 



/lb, 



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,Jane 



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 Airy JcjTTf yu/)f 



Fig. 138. Distribution of sunshine and rainfall at Ithaca, N. Y., 

 during the grozuing seasons of 1905, 1906 and 1907. 



