PROTEINS 



AND THE THEORY OF 



COLLOIDAL BEHAVIOE 



BY 



JACQUES LOEB 



MEMBER OF THE ROCKEFELLER INSTITUTE FOR MEDICAL RESEARCH 



FIRST EDITION 



McGRAW-HILL BOOK COMPANY, INC, 

 NEW YORK: 370 SEVENTH AVENUE 



LONDON: 6 & 8 BOUVERIE ST., E, C, 4 

 1922 



C\ , . A, P 



