A CONTRIBUTION 



TO THE THEORY OF 



CHEMICAL AFFINITY. 



A PAPER 



READ AT THE FIRST ANNUAL MEETING OF THE 



CALIFORNIA SCIENCE ASSOCIATION, 



AT SANTA CRUZ. DECEMBER 28. 1894. 



DR. GEO. RYBURN. 



SACRAMKNTO: 

 D. JOHNSTON & CO., PRINTERS AND PUBUSHERS. 



1895. 



