50 



PROCEEDINGS OF THE AMERICAN ACADEMY. 



value higher tlian we should predict from the behavior of propyl 

 alcohol and a value as large as that of ethyl alcohol does not seem 



TABLE VI. 



Volume of Irobxttyl Alcohol. 



unlikely. The recent work of Richards gives for the change of volume 

 at 20° between 1 and 500 kgm. 0.0355, against 0.0344 uged in the tables. 

 The agreement is as close as could be expected when the rough nature 



