ANIMAL AND VEGETABLE 



225 



Fig. 121. 



Vertical section through the Macula Lutea and Fovea CentraHs; 

 diagrammatic. (Thornton, after M. Schultze.) 



1, nerve layer ; 2, ganglionio layer ; 3, inner molecular, 4, inner nuclear, 

 and 5, outer molecular layers ; 6, outer nuclear layer, the inner part with 

 only cone fibres forming the so-called external fibrous layer ; 7, cones and 

 rods. 



r.ent celb 



5 Outer Synapse 



nuclear or bipolar layer 



Fig. 122. DIAGRAMMATIC SECTION OF THE HUMAN RETINA. (After 

 M. Schultze and Schafer.) 



