- 17 - BUFO. 



22. Central Nervous System. Remove roof of skull and neural arches. Make 

 a drawing to show : olfactory lobes : cerebral hemispheres ; thalamencephalon ; optic 

 lobes ; cerebellum ; fourth ventricle ; medulla oblongata ; spinal cord. 



23. Central Nervous System. Remove the brain from the skull and draw a ventral 

 view showing : olfactory lobes ; cerebral hemispheres ; optic chiasma and nerves ; 

 infundibulum ; pituitary body ; crura cerebri ; medulla oblongata ; spinal cord. 



