SMITHSONIAN MISCELLANEOUS COLLECTIONS. 



266 



THE TONER LECTURES 



INSTITUTED TO ENCOURAGE THE DISCOVERY OF NEW TRUTHS 

 EOR THE ADVANCEMENT OF MEDICINE. 



Lecture I. 



ON THE STRUCTURE OF CANCEROUS TUMORS AND THE 

 MODE IN WHICH ADJACENT PARTS ARE INVADED. 



BY 



J. J. WOODWARD, Assistant Surgeon, U. S, A. 



DELIVEBED MARCH 28, 1873. 



WASHINGTON : 



SMITHSONIAN INSTITUTION. 



NOVEMBER, 1S73. 



