210 



PROCEEDINGS OF THE AMERICAN ACADEMY 



Following are tlie essential data of all the experiments made with 

 the pure solution of crystallized cupric bromide. The results are 

 expressed in the same terms as those given above, and from the com- 

 bination of' these figures a final average value for the atomic weight 

 of copper may be readily deduced. 



Final Analyses. 

 Determination of Copper. 



Determination of Bromine. 



