SMITHSONIAN MISCELLANEOUS COLLECTIONS. 



291 



THE TONER LECTURES 



INSTITUTED TO ENCOUKAGE THE DISCOVERY OP NE"W TRUTHS 

 FOR THE ADVANCEMENT OF MEDICINE. 



Lecture IL 

 dual character of the brain. 



BT 



C. E. BROWN-Si;Q,UARD, M.D. 

 DELIVEKED AVB.lt, 22, 1874. 



WASHINGTON: 

 SMITHSONIAN INSTITUTION. 



JANUART, 1S77. 



