4o6 Journal uf Comparative Neurology and Psychology. 



B 



iKtea 



m 



m 



C o^- ^* 



€4 



^*!f- yj- A series of sections of the olfactory nerve of a swine embryo 14 

 mm. in length, to show convergence of cords into a cell mass which unites with 

 the olfactory lobe. Thickness of each section 10 jn. X 85. Br., Brain wall ; 

 N. P., nasal pit. 



B. 50 yU higher than A. D. iio/< higher than C. 



C. 20 /i higher than li. E. 40 /i higher than D. 



