64 



AXATOMK \1. AND PHYSIOLOGICAL STUDIES ON 



authors. Now, the view of Bottcher ('69) is generally accepted. 

 This large prominence vanishes during development, and instead 

 of it a deep and wide furrow lined with low epithelium appears. 

 These epithelial cells become peripherally higher and finally lean 



TABLE 35 



Radial distance between habenula perforata and the outer corner of the outer pillar 

 cells at base — on age (chart 14)- For the average values 

 see the third column in table 9 



Ratios 1 — 12 days 

 1— 20 " 

 1—546 " 

 20—546 " 



1.8 

 1.8 

 1.9 

 1.1 







50 50 100 200 300 400 



500 



t 14 The radial distance between the habenula perforata and the 

 outer corner of the cuter pillar cell at base, table 35, figure 2, distance 5. 



