GROWTH OF THE INNER EAR OF ALBINO RAT 



115 



When we consider the length of the cell body, it is remarkable 

 that the increase takes place so rapidly. While at 1 day it 

 measures only 8 (x and at nine days only 14 ji, it increases very 

 suddenly at twelve days of age, and after that slowly but con- 

 tinuously (table 89). 



TABLE 90 

 Total length of Deiters' cells according to turns of the cochlea (chart 39) 



25 50 50 10O 200 30O 400 



Chart 39 The length of Deiters' cells, tables 89 and 90. 



500 



Total length of the cells. 

 Length of the cell bodies. 

 Length of processus phalangeus. 



