1 62 Journal of Comparative Neurology. 



Fig. J. Uninjured cells. 



Fig. 4. Similar normal cells from the niger farther caudad. 



Fig. J. Smaller cells from dorsal region of the peduncles (x, Fig. i.) 



Figs. 6, 7. Cells from hippocamp showing certain amount of pigmentary 

 degeneration and vermiform nuclei apparently attacking the fibres. 



Fig. 8. A typical case of vascular degeneration. Nuclei accumulating in 

 the adventiva and stasis of red corpuscles. 



PLATE E. 



Fig. I. Diagram of front of left hemisphere to locate regions referred to 

 in text. The shaded areas are portions actually sectioned. 



Fig. 2. Cells from ventral cornu of the cord. 



Fig. J. Normal cells of Purkinje. «, spongioblast nuclei. 



Fig. 4. Portion of cerebellar cortex where the cells have degenerated. 



Fig. 5. Degenerate cells from temporal lobe. 



Fig. 6. Blood vessel where the intima has separated from the adventiva- 

 The latter filled with corpuscles. 



Fig. 7. Diseased cortex cells. 



