ON THE ANATOMY OF THE KOALA. 



Fig. 5. 



P. Z. S. 1881, 

 p. 191. 



Fig. 4. 



Fig. 3. 



Fig. 6. 



Fig. 3. Eight half of Koala's brain, from above, of the natural size ; drawn before 



removal from the skull. 

 Fig. 4. The same, from below. 

 Fig. 5. The same, from the side. 

 Fig. 6. Left cerebral hemisphere, from the inside, the optic thalamus being cut short. 



a.c, anterior commissure ; h. hippocampal eulcus. 



