THE 



PROTOPLASMIC THEORY OF LIFE. 



BY 

 JOHN DRYSDALE, M.D. EDIN., F.RM.S. 



ONE OF THE EDITOES OF FLETCHER'S " PATHOLOGY ;" 

 AUTHOR OF " PHYSIOLOGICAL ACTION OF KALI BICHBOMICUM, 



AND OF " LIFE AND THE EQUIVALENCE OF FORCE ;" 

 CO-AUTHOR OF "HEALTH AND COMFORT IN HOUSE-BUILDING.' 



LONDON : 



BAILLIERE, TINDALL, AND COX. 

 20, KING WILLIAM STREET, CHARING CROSS. 



PARIS : BAILLIERE. MADRID : C. BAILLY-BAILLIERE, 

 1874. 



