60 



ANATOMICAL AND PHYSIOLOGICAL STUDIES ON 



At birth, the inner pillar has not yet distinctly developed at 

 the base of the pillar cell in the rabbit and the rat, as above 

 stated. We know that the development of the elements of 

 the cochlea proceeds generally from the axis to the periphery, as 



TABLE 31 



Radial basal breadth of outer pillar measured in n (from Retzius) 



TABLE 32 



Radial basal breadth of the outer pillar cells on age, based on tables 22, 28, and 



29 (charts 12 and 18) 



Ratios 1 546 days 



9546 " 

 12546 " 

 20546 " 



1 :5.4 

 : 1.6 

 : 1.1 

 : 1.1 



