IXFLUEN'CE OF COOLING POWERS OF ATMOSPHEKE. 



2^9 



TABLE II. 



Increase in Weight of Infants in Johannesburg during Summer 

 and Winter Months. 



Even more convincing evidence of the stimulating effects of 

 Jiigh coohng powers on growth are obtained from an analysis of 

 figures pubhshed by W. T. Porter.^ His observations were made 

 in Boston, U.S.A., on several thousand childi*en over a peiiod 

 of several yeai^s. Reference to Table III shows a veiw marked 



TABLE III. 



(rain in Weight of Boys and Girls born in August, 190.") (Boston). 



