AS THE BIOLOGIST SEES IT 



recently been published in book form 

 under the title "The Engines of the 

 Human Body," and if you are interested 

 in knowing the essential likenesses be- 

 tween your body and a motorcycle read 

 this book. It at least reveals how the 

 modern biologist can plausibly describe 

 the body and its functions in the termi- 

 nology of mechanics and chemistry. So 

 that the biological student of human 

 life must be prepared to take constantly 

 into account the results of the investiga- 

 tions and the significance of the claims 

 of the upholders of the physico-chemical, 

 or mechanistic, conception of life. 



Facing all this you can see how neces- 

 sary it is for the biological student of 

 human life to have, if he is not to be 

 carried off his feet at once into the camp 

 of the cynical and hopeless complete 

 mechanists, a wife and child at home to 

 return to from his laboratory. If I my- 

 self am not yet convinced that all of 

 humanism is to be dumped together with 

 all the rest of Nature into the common 

 39 



