214 MESSES. A. V. HARCOUET AND W. ESSON ON THE LAWS OF CONNEXION 



determination are given separately for two series ; in the second Table several other 

 series are compared with numbers similarly calculated according to the equations written 

 over them. 



Table XI. 

 Residues of oxidizing substance calculated from the equations 



u=ae 



■((x+fi)x 



, «=;rf$=^^^"''-^"'"''1' y=u+v. 



t + ^-y' 



where u and v are the residues of the primary and secondary oxide, and y is the total 

 residue. 



Table XII. — Comparison of found and calculated results. 

 (The calculated numbers are derived from equations of the form y=.a-^e~''''' -\-a^~'^). 



1. First set. 



