PROTOPLASM. 



ROTOPLASM being a living sub- 

 stance, the following questions 

 may be asked concerning it, 

 namely : As living substance, 

 how did it first become living ? Was it 

 created already alive, or did it become so by 

 the ordinary processes of evolution ? When 

 and how did it first appear on the not-living 

 earth ? How is it now being made ? 



The members of the medical profession 

 do not need to be even reminded that proto- 

 plasm is a semi-fluid, tenacious, glairy 

 substance, in appearance, consistence, and 

 composition resembling white of egg ; or 

 that the late Professor Huxley named it 

 " the physical basis of life," because it is the 



