JOURNAL OF COMPARATIVE NEUROLOGY. Vol. 



iev. Rhomboidal Lip 





PLATE IX. 



Fourth Ventricle ■ 



Choroid Plex- 

 us of Fourth 



Set Rhomho. 



dal Lip 

 (Floor nf Lai 

 ,eral RecesH 



Fig. 31 



Fig. 33 



4 



('• 



,. Rhointioiiinl 

 '/ ( Ligula) 



Sei. Rhomlmi- Lateral 



dal Lip Lie 

 (Floor of Lat- \ 



eral Recess.) \ 



, Lateral Recess ) 



Sec. RhoJii- i 

 lioidal Ljp ^ 

 (Velum — 

 Med. Inf.) 

 Sec Rhotn- "^ 



loidal Lip 

 (Velum 

 Med. Inf.) 



Subarachnoid Cavity 



Subarachnoid Cavity 



