342 



IV 



Epiphysis. EP. Epencephalon. IN. Infundibulum. LH. Lobus hippocampi. LI. Lobi 

 inferiores. L T. Lamina terminalis. M. Mesencephalon (optic lobes). ML. Myelen- 

 cephalon (spinal cord). MT. Metencephalon (medulla). MT. Anterolateral lobes of 

 metencephalon. P. Prosencephalon (cerebral hemispheres). PT. Pituitary body. R. 

 Olfactory lobes. SV. Saccus vasculosus. 71 Thalamencephalon. V 4. Fourth ven- 

 tricle. Numbers I-X. Cranial nerves, i. First spinal nerve. 



T 273 



