48 Journal of Comparative Neurology and Psychology. 



PLATE IV. 



fi£- 5. Stained with Bion'DI-Ehrlich's tricolor. 

 Fig. 6, Stained with Biondi-Ehrlich's tricolor. 



Fig. 7, Treated with Macallum's technique which shows the distribution 

 of phosphorus. 



Fig. 8, Stained with Haidenhain's iron-haematoxylin. 



