THE MUSCLES OF THE HEAD. 



17 



which extends it. It also has a fleshy attachment to the 

 outer aspect of the body of the quadrate bone. As it 

 passes downwards and forwards beneath the zygoma, it 



FIG. 3. Under side of skull of Raven. Life-size. Shows the, attachment of 

 the muscles found on this aspect of the skull. By the author. 



blends with the fibres of the temporal, and makes its 

 first insertion by a tendinous slip to a small tubercle, 

 situated on the upper border of the jaw, behind the 



c 



