Phil. Trans. MDCCCLXTV. PLATE XXI. 
Fig. S. 
-A- portion of one of 
cells or nuclei conne 
fine nerve fibres, form: 
tiie top of the ™ 
after the removal of t' 
J? ass fr °na the 
mass on the sumrr 
Pig- 4. 
Pig. 3. 
