XVI EXPLANATION OF PLATE II. 



Fig. 8. Brain of the Common Lizard, seen from above ($ 871). 



Fig. 9. The same, as seen from below. 



Fig. 10. The same, as displayed by a vertical section. 



Fig. 11. Brain of the Common Goose, as seen from above ($ 872). 



Fig. 12. The same, as seen from below. 



Fig. 13. The same, as displayed by a vertical section. 



Fig. 14. Brain of the Sheep, viewed sideways (| 878). 



Fig. 15. The same, as displayed by a vertical section. 



In addition to the parts indicated by the preceding references, we have here to 

 notice ; k, the corpus callosum ; I, the septum lucidum ; and m, the Pons Varolii. 



