ON THE ABSOLUTE EXPANSION OF MERCUKY. 



17 



Series I. Observations, 20 C. to 187 C. (continued). 



* The first pair of observations on this d;ite was taken under a pressure of 45 cm. of mercury more 

 than tlic second. 



t The first pair of observations on this date was taken under a pressure of 40 cm. of mercury less 

 than the second. 



VOL, CCXJ. A. 1> 



