154 PHYSIOLOGY OF MICROORGANISMS 



A specific and more definite consideration of this subject will appear 

 later. Our purpose here is to point out simply that the material making 

 up the molecular mechanism of the cell must be exceedingly delicate 

 and complex because of its products, and the mechanism of one cell 

 must differ very significantly from that of another also because of its 

 products, which as cell-contents are determinable; and further, the 

 mechanism must be highly responsive because of its ready reactions to 

 various influencing agents. All of these evidences seem to accord 

 with the interpretation advanced in the previous chapter the cell 

 consists of chemical foci and physical forces harmoniously constructed 

 into an operating mechanism, the protoplasm, which is arranged effec- 

 tively in a cellular laboratory, the cell. 



Literature freely consulted and recommended for extended study: 



BAYLISS, The Principles of General Physiology. 



CHILD, Individuality in Organisms. 



CZAPEK, Chemical Phenomena in Life. 



HENDERSON, The Fitness of the Environment. 



MOORE, The Origin and Nature of Life. 



VAUGHAN, Protein Split Products in Relation to Immunity and Disease. 



VERWORN, General Physiology. 



