ANATOMY IN A NUTSHELL. 



361 



inferior portion in a groove called the vallecula. The falx cerebelli is situated 

 in a groove posterior to the worm between the two hemispheres. The hemi- 

 spheres have fissures like the cerebrum but do not have convolutions like the 

 cerebium but instead have folia. The cerebellum is gray on the outer side and 

 white on the inner side. It forms the roof or posterior boundary of the fourth 

 ventricle. 



PLATE CLXXXL 



CORPORA 

 QUADRIGEMINA 



TRACT 

 SUPERIOR 

 CEREBELLAR 

 PEDUNCLE 

 FOURTH 

 VENTRI CLE — ^?^^^^ x (^^^n; 

 HIDDLE CEREBELLAR % : ^2§f*73 



PEDUNCLE -^> ^%l\\ ^ f Ml 



EIGHTH NERVE NUCLEUS 



INFERIOR CEREBELLAR PEDUNCLE - 



A Sagittal Section of Brain Showing Fibers. 



The worm, commencing with the anterior superior part, and passing 



backward consists op the following parts: 



Frenulum 



(1) Lingular 



Precentral fissure 



Fraenulum 



Ala lobulus centralis 



(2) Lobulus centralis Ala lobulus centralis 

 Post-central fissure 



Anterior crescentic-lobule (3) Oilmen monticuli Anterior crescentic lobule 



Preclival fissure 



Posterior erescentic lobule (4) Clivus 



Post-clival fissure 



Posterior erescentic 

 lobule. 



Posterior superior lobule (5) Folium cacuminis Posterior superior lobule 



