SMITHSONIAN MISCELLANEOUS COLLECTIONS. 



594 



THE TONER LECTURES 



INSTITUTED TO EXCOURAGE THE DISCOVERY OF XEW TRUTHS 

 FOR THE ADVANCEMENT OF MEDICINE. 



Lecture IX. 



MENTAL OVER-WORK AND PREMATURE DISEASE 

 AMONG PUBLIC AND PROFESSIONAL MEN. 



CHARLES K. JvIILLS. jNX. ID., 



PROFESSOR OF DISKASES OF THE MIND AXD NERVOUS SVSTEM, IN THE PHILADELPHIA POLYCLINIC 

 AND COLLEGE FOR GRADUATES IN MEDICINE. 



DELIVERED MARCH 19. 1884. 



WASHINGTON : 



SMITHSONIAN INSTITUTION 



JANUARY, 1885. 



