PLATE XIII. 



Figs. 33, 34. 



Olfactorj' cells from the nasal luncosa of the cat. (Enclosing lines indicate 

 the thickness of the epithelium.) 



Fig. 33 (X S33.4). . 

 Cells stained AA-ith methjiene blue. 



Fig. 34 (X 625). 



Cells stained by the Golgi method. Olfactory hairs are very distinct at 

 the free end of several of the cells. 



