PLATE V. 



Fig. 8 (x 1-07). 



Median section of the head of a cat with tlae bony septum removed, to show 

 especially the olfactory nerves to the septal mucosa and the vomeronasal 

 organ. Note the arterial plexus. 



Fig. 9 (X 3.6). 



The septal mucosa of a eat, with the blood vessels injected. To show 

 especially the vomeronasal organ and its olfactory nerves, and the olfactory 

 nerves of the septum. Note the numerous blood vessels. The thicker part 

 of the mucosa is light, tlie thinner dark. 



