184 



GROWTH OF CHEMICAL CONSTITUENTS 



Chart 27. Giving in milligrams the absolute weight of the more important 

 chemical constituents of the brain. Plotted on age. Table 81. 



In chart 27 are given the graphs for the absolute weights of the 

 more important chemical constituents of the brain plotted on 

 age (see table 81). 



GROWTH IN CHEMICAL CONSTITUENTS: REFERENCES 



1. Entire body. Mendel and Daniels, '12. Pembrey and Spriggs, '04. 



2. Nervous system. Bibra, 1854. Hatai, '09, '10. Koch, M., '13. Koch and 

 Mann, '09. Koch and Koch, '13, '13 a. 



