

.M 



o ^ 





NEURAL TUBE 



C 



1 



/ 



^^ 









M:. 



.&?5r^: 





. ^ CELLS OF "^ ^-^.^.^'^s-^ 



!- NERVUS TFRMINALIS 



9 



Zy^^ 



'<6" 





NEURAL TUBE / 



0/ 



CELLS OF ^' \\0. NASAL CAPSULE 

 NERVUS TERMINALIS\> 



Q-^i^7Js 



.i-?Sp:^ 



CELLS OF - .„ 



NERVUS TERMINALIS/*' t, ^' \ 



the ventral olfactory ^J.:^::::^^!^^^^ 



placode and are recognized in all klr . L^ ,° ^' ^^^^^^g from the nasal 



X 400. '"^' ^^^^' stages as cells of the nervus terrainalis. 



121 



