CHAP. XIII 



THE SKELETON 



is plugged with cartilage against which abuts the inner end 

 of the columella of the ear. 



In the ventral side of the skull is a large bone, iht para- 

 basal, ox parasphetwid, which is in the shape of a dagger with- 



out any liandle ; the lateral portions underlie the two prootics. 

 The frontoparietal bones form most of the roof of the 



