42 ELEMENTS OF MAMMALIAN ANATOMY. 
(4) the neural arch, composed of a pedicle on either side, 
forming the ventrolateral walls of the neural canal, and the 
Fic. 21. 
lamine, extending dorsad from the pedicles to complete the 
dorsal wall of the neural canal; (5) the intervertebral notch, 
which, with the notch of the succeeding vertebra, forms the 
