PLATE XXXVI. 



Class PISCES continued. 

 THE SKATE continued. 



. 1. BRAIN AND CRANIAL NERVES : DORSAL ASPECT, x f . 



o. olfactory bulb : cr. cerebral hemispheres : t. optic thalamus : 

 o.l. optic lobe: cm. cerebellum: v.* fourth ventricle: m. 

 medulla oblongata : s. spinal cord : b. brachial plexus : v. 

 vertebral plate : r. lateral ridge of the vertebral plate : n. nasal 

 capsule : e. eye : a. c. antorbital cartilage : I.-X. the various 

 cranial nerves. 



FIG. 2. EIGHT EAR : DISSECTION FROM ABOVE, x 1. 



a., p., Ji. anterior, posterior and horizontal semicircular canals with 

 their ampullae. 



FIG. 3. EIGHT EAR: SIDE VIEW, x 1. 



a. v. aqueductus vestibuli : a., p., h. anterior, posterior and horizontal 

 semicircular canals: a. 1 , a. 2 , a. 3 ampullae : v. vestibule. 



