GROWTH OF THE INNER EAR OF ALBINO RAT 



53 



TABLE 22 



Radial distance between the outer corner of the inner pillar and the inner corner of 

 the outer pillar — at base — on age (chart 9) 



Ratios 6 — 546 days 

 12—546 " 

 20—546 " 



1 :2.2 

 : 1.4 

 : 1.1 



80 



U 



60 



40 



20 











25 



50 



50 100 200 300 400 500 



Chart 9. The radial distance between the outer corner of the inner pillar 

 (not pillar cell) and the inner corner of the outer pillar (not pillar cell) at base, 

 table 22, figure 2, distance 6. 



