300 BIOLOGY. [Book hi. 



activity, then lie will have acquired the power of scientificallly 

 modifying and regulating the phenomena of life. He will ex- 

 tend his dominion over living nature, as the natural philosopher 

 and the chemist have acquired their power over the phenomena 

 of inert nature." ^ 



' CI. Bernard, Rapport sur les ProgrSs de la Physiologie Gin&rale en Framx. 



NOTE. 



The reader is anew reminded that when degrees of heat are mentioned the 

 Centigrade scale is always implied, so that thirty and thirty-five degrees 

 Centigrade correspond respectively to eighty-six and ninety-five degrees 

 Fahrenheit. — Translator. 



