214 



PROCEEDINGS OF THE AMERICAN ACADEMY. 



/2C0 



//oo 

 /ooo 



eoo 



700 



600 

 j-oo 



■400 

 200 



/oo 

 o 



■^^ so /eo /60 soo ^-40 sao ^eo jeo 

 Figure 11. 



the mean of that derived by using the values of A^ at 18 and 281° and at 

 18 and 306°. The value of 3.57 in the case of potassium chloride was 



calculated from the values of A(, at 18° and 218°. 



The values of A„ cal- 



culated from these equations are given in the following table beside those 

 previously found. 



TABLE XII. 

 The Aq Values as a Linear Temperature Function. 



