2T4 PROCEEDINGS OF THE ACADEMY OF [1884. 



Figures 6-9 are of Menopoma. 



Figure 6, A composite of three transverse sections through the cerebellum 

 and medulla. 



Figure 7. Diagrammatic representation of the nerve fibre courses spring- 

 ing from the cerebellum. 



Figure 8. A composite of six sections through the diencephalon, showing 

 the course of the fibres of the supracommissura, and piobable origin 

 of the optic tracts, a-a', supposed course of fibres passing from 

 upper parts of thalamus to optic nerve of opposite side, h-b', course 

 of fibns from lower parts of thalamus to optic nerve of same side. 



Figure 9. An oblique section through the region of the prsecommissura, 

 showing the distributions of the fibres of this commissure, also the 

 supraplexus, the proplexus, and porta. The right side is cut anterior 

 to the left. 



