PLATE XXIV. , 



FIG. 175. 



U N I V E R 8 1 T Y 



'.-VLIFORNJ 



FIG. 176. 



Olfactory cells. 



Section of Cornea. 



FIG. 177. 



FIG. 179. 



vi nil 

 fefe 



Connective-tissue and nerve-elements of Retina. 

 Showing rods and cones. 



FIG. 178. 



"Id 



: 



Refractive bodies in the rods and cones. 



Section of Cochlea: v, scala vestibuli ; T, scala 

 tympani ; c, canal of Cochlea; R, Reissner's mem- 

 brane, attached at a to the habenula sulcata; 6 

 connective-tissue layer; c, organ of Corti. 



FIG. 180. 



Corti's organ, from above. 



FIG. 181. 



Section of Corti's organ. 



