Dr. W. Macewen. 



[May 19, 



Schematized Drawings. 



A. 



1. Necrosed diaphysis, which 

 was removed. 



B. 



Portion of shaft attached 

 to head reproduced 

 from original perios- 

 teum. 



Cartilaginous terminal 

 removed before first 

 transplant. 



C. 



First graft. 

 Second graft. 

 Third graft, 



