ANATOMY 



accountable for the fashioning of the bone into its 

 ultimate shape. The multiple and mutually inter- 

 dependent activities of these millions upon millions 

 of cells, whether they be cartilage cells, bone- 

 builders, or excavators, seem to be regulated and 

 co-ordinated by the quintessences distilled in the 

 mysterious laboratories of the ductless glands. 



E. BARCLAY-SMITH 



