LIST OF ILLUSTRATIONS. 



[NoTE : All the figures illustrating this work 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 majority 

 of cases the size of life.] 



PACE 



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



origin and insertion of muscles .......... 7 



2. Superior aspect of skull of the Eaven, 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 Eaven ......... 17 



4. The posterior aspect of the skull in a Eaven, 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 



