PLATE 8 
EXPLANATION OF FIGURES 
16 Stage5. Transverse section (288) through columella auris, 30. 
17 Stage5. Transverse section (272) through facialis foramen, X 30. 
18 Stage 6. Transverse section (363) through prefacial basicapsular com- 
missure, 30. Note intercapsular position of commissure. 
19 Stage 5. Transverse section (245) through incisura prootica and trigemi- 
nus ganglia, < 30. 
