LIST OF ILLUSTEATIONS. 



[Note : — All the figures illustrating this woi-k were drawn by the 

 author, and with but few exceptions, where they have been 

 copied from the drawings of other anatomists, were made 

 directly from the recent dissections, and in the vast majoi'ity 

 of cases the size of life.] 



FIG. rAGK 



1. Side view of the skull of the Raven, showing points of 



origin and insertion of muscles 7 



2. Superior aspect of skull of the Raven, showing points of 



origin and insertion of muscles 11 



3. Showing points of attachment of muscles on the basal 



aspect of the skull in the Raven 17 



4. The posterior aspect of the skull in a Raven, showing 



origin and insertion of the muscles 19 



5. Side view of the mandible in Corvus corax sinuatus, show- 



ing the areas of muscular origin and insertion .... 21 



6. Corvus corax sinuatus, the mandible from beneath, showing 



points of attachment of muscles 23 



7. Corvus corax sinuatus, dissection of muscles of the head, 



seen upon right lateral view 28 



