TO 



CHARLES ROBIN, 



THE FIEST PROFESSOR OP HISTOLOGY IN THE FACULTY OF MEDICINE OF PARIS, 



AS A TOKEN OF APPRECIATION OF THE 

 NUMEROUS ORIGINAL RESEARCHES AND DISCOVERIES, 



PARTICULARLY IN 



HISTOLOGY AND PHYSIOLOGICAL CHEMISTRY, 



BY WHICH HE HAS CONTRIBUTED SO LARGELY TO BRING THE SCIENCE OF 

 PHYSIOLOGY TO ITS PRESENT CONDITION, 



AND IN 



GRATEFUL REMEMBRANCE OF MANY ACTS OF FRIENDSHIP, 

 THIS WORK IS INSCRIBED BY 



THE AUTHOR. 



293H 



