PLATE XLIII. 



Class PIS CE S continued. 

 THE COD continued. 



FIG. 1. BRAIN : DORSAL ASPECT, x 1. 



cr. cerebral hemispheres : o. I. optic lobes : cm. cerebellum : m. 

 medulla oblongata : o. olfactory bulbs : I.-X. the various 

 cranial nerves. 



FIG. 2. BRAIN : VENTRAL ASPECT, x 1. 



cr. cerebral hemispheres : p. pituitary body : ^. infundibulum : 

 1. i. lobi inferiores : m. medulla oblongata : I.-X. the various 

 cranial nerves. 



FIG. 3. BRAIN : SIDE VIEW, x 1. 



cr. cerebral hemispheres: o. optic lobes: cm. cerebellum: m. 

 medulla oblongata : p. pituitary body : /. i. lobi inferiores : 

 I.-X. the various cranial nerves. 



FIG. 4. BRAIN : LONGITUDINAL VERTICAL SECTION, x 1. 



cr. cerebral hemispheres : v. s third ventricle : a. aqueduct of Sylvius : 

 cm. cerebellum: v. 4 - fourth ventricle: p. pituitary body : 

 in. infundibulum : c. c. crura cerebri : cms. commissure 

 between the posterior lobes : m. medulla oblongata. 



FIG. 5. EYE : WITH ITS MUSCLES ATTACHED, AND THE OPTIC NERVE (n). x 1. 



FIG. 6. EAR. x 1. 



a., p., h. anterior, posterior and horizontal semicircular canals : 

 a. 1 , a. 2 , a. 3 ampulla?: v. vestibule: o. l ,o. 2 otoliths. 



