THE 310 USE 



4y>5 



pletely as a result of p(n-sistent use in gnawing hard vegetable 

 fibre. The raljbit has no canine teeth, as in man and carniv- 

 orous animals, where they arc; used for tearing flesh ; and an 



paZ.p.maie^ 



x 



Fig. 395. — Ventral view of skull of rabbit. Bones named are as follows: 

 p.max, premaxilla ; pal.p.viax, palatine process of preniaxilla ; max, 

 maxilla ; pal.viax, palatine plate of maxilla ; pal, palatine bone ; vo, 

 vomer; h.sph, basisphenoid ; b.oc, basioccipital ; s.oc, supraoccipital ; 

 zyg.viax, zygotic process of maxilla; ju, jugular; tij.hul, tj'nipanic bulla; 

 aud.me, external ear opening ; par.oc, paroccipital process. From Par- 

 ker and Haswell. 



empty space in the jaw is followed by a series of chewing teeth, 

 or molars (Fig. 395). 



The food passes first into the mouth cavity, where, !:>}' the 

 help of the tongue, it is ground by the molars and at the same 

 time moistened and acted on chemically by the secretions of the 

 salivary glands. Then the food passes through a gullet to the 



