78 



ANATOMICAL AND PHYSIOLOGICAL STUDIES ON 



TABLE 49 

 Greatest height of the tunnel of Corti on age (charts 21 and 22} 



Ratios 12 25 days 

 12546 " 

 25546 " 



1.4 

 1.3 

 0.9 



1 In one case nine days old which could hear the space was found 

 through all the turns of the cochlea. 



TABLE 50 Condensed 



Ratios of the greatest height of the tunnel of Corti according to the turns of the 



cochlea on age 



TABLE 51 

 The greatest height of the tunnel of Corti in n (Retzius) 



