628 



PROF. n. A. DAUT ON THE 



certain' points taken along the tentorial sulcus to a height of 

 35 mm. above the cei*ebral surface and nowhere is it less than 



Text-figure 9. 



Middle cerebri/ 

 yfsse/s covering 

 Gasserian^ 

 ganglion 



Flattened, cerebrum. Saqiital sinus. 



Median tentorial 

 depression. 



Paraflocculus. 



Lotus medius cerebe///. 



Medulla oblongata 



Jugular 

 leash. 



■ Dorsal view of eiidocranial cast of 4. a. Frozeuijlodon atrox Andrews. M. 9265. 

 About \ nat. size. 



20 mm. higher than the cerebral surface. This one characteristic 

 immediately brands this brain (however Zeuglodont in type) as 

 something entirely distinct from what has hitherto been described 



Text-figure 10. 



Lobus medius cerebelli. 



Paraflocculus 



Jugular leash 



Posterior view of eiidocranial cast of Prozeuglodon atrox Andrews. M. 9265. 

 About \ nat aize. 



in the literature. The size of the cerebellum is immense and the 

 size is not confined to one part of the organ only ; the parafloc- 



