CHAPTER 9 

 GROWTH OF CHEMICAL CONSTITUENTS 



1. In the body as a whole. 2. Osseous system. 3. In the nervous system. 



1. In the body as a whole. For the body as a whole Hatai ('17) 

 has made a determination of its composition in terms of proteins, 



TABLE 166 

 Giving the chemical composition of the albino rat Hatai ('17) 



fat, organic extract and salts, at eight ages. The results are 

 given in table 166 and Chart 56. 



The following paragraphs define the terms used in table 166. 



Residue. The residue is represented by the solids from which all the organic 

 substances soluble in both boiling alcohol and in water, as well as the salts have 



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