244 PRINCIPLES OF PHYSIOLOGY 



The Senses. 



McKendrick & Snodgrass, The Senses. 

 Greenwood : Physiology of Special Senses. 

 McKendrick : Text- Book, vol. II., especially Hearing. 



Philosophical. 



Dastre : Life and Death. 



F. Czapek : Chemical Phenomena in Life. 



