Optic lobes 



Cavity of optic lobes 



Cerebellum 

 Periotic capsule 



Semicircular canal 

 -Mesial muscular mass 



--Ventricle IV 



Dilated central canal of upper 



part of spinal cord 

 Lateral muscles 

 Neural arch cartilages 



FIG. 52. Horizontal sectio- 

 to the type illusti 

 Adjacent pectoral fins rc not pr. - 







11 IK v*lM: 



Pineal divertic. 



Optic lobes 

 Cavity of optic lobes 



Her 

 Ventricle TV 



Mesial muscular mass 

 Medulla 



Periotic cartilage 



Semicircular canal 



Lateral muscles 



Notochords 



Mesial muscular mass 



Spinal cord (composite) 



ay. The action hare 

 uter s*rts ^f 



30 i 



J. F. G. 



PL. 



