PLATE 5 



EXPLANATION OF FIGURES 



10 Drawing from the outer part of the m'ddle third of the greater epithelial 

 ridge in the 5th half turn of the cochlea of a pig of 15 cm., showing, at J. de- 

 tail of the relation of the cells of the ridge to the fibrils and tectorial membrane 

 they produce. 



11 Drawing from the outer part of the middle third of the greater epithe- 

 lial ridge in the 3rd half turn of the cochlea of a pig of 14 cm., showing, at /, 

 a usual appearance in sections of the relation shown in figure 10, interpreted as 

 due to shrinkage produced by the reagents used in preparing material for sec- 

 tioning. 



72 



