764 



YVETTE KUNZ 



For the purpose of clarity the results obtained with the adult eye are présentée : 

 first. The overall structure of the Lebistes eye is given in fig. 3. 



Fig. 3. 



Photomicrograph of Lebistes retina to show the différent layers (azan stain). 

 Désignation of layers see p. 775. 



Adult Eye : 



The adult eye stained for LDH indicates clearly that most of the activity 

 résides in the photoreceptor layer (Fig. 4). Sections of the same eye, but treated 

 with the inhibitor, reveal the E-isozymes in the same location. The inner layers 



