Proceedings of the American Academy of Arts and Sciences. 

 Vol. XXXV. No. 3. — August, 1899. 



CONTRIBUTIONS FROM THE CHEMICAL LABORATORY 

 OF HARVARD COLLEGE 



A REVISION OF THE ATOMIC WEIGHT OF COB AIT 



THIRD PAPER. — THE ANALYSTS OF COBALTOTJS CHLORIDE 



AM) OXIDE. 



By Theodore William Richards and Gregory Paul Baxter. 



