PLATE 5 
EXPLANATION OF FIGURES 
7 Stage 5. Ventrolateral aspect of otic capsule and columella auris, X 40. 
Position of fenestra cochleae, invisible in figure, indicated by arrow. Drawing 
slightly oblique; dorsoventral orientation indicated by line D-V. 
8 Stage 5. Dorsomedian aspect of otic capsule, X 40. Position of fenestra 
cochleae, invisible in figure, indicated by arrow. Drawing slightly oblique: 
dorsoventral orientation indicated by line D-YV. 
