STRUCTURE OF THE RETINA 



223 



FIG. 259. DIAGRAMMATIC REPRESENTATION OF THE NERVOUS AND EPITHELIAL 



ELEMENTS OF THE RETINA. 



1 to 5, nervous elements. 6, 7, epithelial elements. The designation of the numbers is the same ; 

 in fig. 346. The extent of the molecular layers is indicated merely by linear shading. 



