384 STUDIES IN ADVANCED PHYSIOLOGY. 



when compared with the best engines it reveals that the 

 body is very much superior indeed to them all. It is a very 

 fine engine which can utilize one-eighth of its total energy, 

 while most ordinary engines utilize no more than from one- 

 tenth to one-twentieth. As the workings of the human 

 body are subject to the same physical laws to which arti- 

 ficial engines are subject, it reveals the marked superiority 

 of the body with reference to the energy at its disposal. 



