I' ■* t' w 





'*m:^% 



Fig. 84 (Left). 'Droplets' on and 

 between the rods of Siredon mexicanus. /' f 



Fig. 85 (Below). 'Droplets' in the i/jjij 

 dark-adapted frog retina. 



Fig. 86 (Right). Absence of 'drop- 

 lets' in the light-adapted frog retina. 



f ' 





Fig. 87 (Left). 'Droplets' in the 

 retina of Macacus rhesus. 



Fig. 88 (Right). 'Droplets' in the 

 retina of the goose. 



^ ^ 



Figures 84 to 88. Preparations showing 'droplets.' All photographed from 

 Kolmer, 1909, Arch. f. d. ges. Physiol, Bd. 129. All figures from Table 2. 



129 



