SPECIFIC HEAT OF AMMONIA. 409 



Using the Keyes-Bi'ownlee data for ammonia, the saturation specific 

 heats of the hquid and vapor phases have been computed as far as 

 100° C. and these results are gi\en in Table III. 



The principal sources of error of this method are discussed. 



Northwestern University, 

 Julv 1919. 



