THE VITAMINES 



BY 



CASIMIR FUNK 



ASSOCIATE IN BIOLOGICAL CHEMISTRY 



College of Physicians and Surgeons 



New York City 



Authorized Translation 



from 

 Second German Edition 



X 'y 



BY 



HARRY E. DUBIN 



FORMERLY ASSISTANT IN RESEARCH MEDICINE 

 University of Pennsylvania 

 Philadelphia, Pa. 



BALTIMORE 



WILLIAMS & WILKINS COMPANY 



1922 



