32 



THE MYOLOGY OF THE EAVEN. 



Fig. 11. — ITnder view of the head of a Raven, with mandible in situ, hut with 

 hyoid apparatus and other parts carefully removed. Dissected to show 

 the muscles which occur upon this aspect ; the left side (the right in 

 the figure) shows the origin and insertion of the jjiarygoideus intemus. 

 The opposite side is dissected to show the entotympanicus and plery- 

 goidcus cxternus. The anterior two-thirds of the inylu-hyoidc/us is also 

 shown, and its mode of attachment. The digastric is cut off close at 

 its point of origin. This figure should be carefully compared with 

 Fig. 3 of the present memoir. Life-size, by the author from his own 

 dissections. 



• 



here glide beneath the thyroid bone of the superior 

 hirynx. Just beyond this point they become fully 



