xiv LIST OF ILLUSTRATIONS. 



no. rAGF. 



8, Corviis corax sinuatus, oblique view of bones of shoulder- 



girdle, showing areas of attachment for muscles ... 31 



9. Corvus corax sinuatus, the hyoid arches from beneath, 



showing points of attachment of muscles 31 



10. Corvus corax sinuatus, superior view of bones of the upper 



larynx, showing points of attachment of muscles ... 31 



11. Corvus corax sinuatus, tbe muscles of the head, seen from 



beneath 32 



12. The tongue and salivary glands of a Woodpecker (after 



Owen) • 44 



13. Front view of the lower larynx of a Raven, showing 



muscles (after Owen) 44 



14. Side view of the lower larynx of a Raven, showing mviscles 



(after Owen) 44 



15. Lower larynx of a Parrot (after Owen) 44 



IG. Muscles of organ of hearing in an Owl (after Owen) . . 44 



17. Corvus corax sinuatus, its hyoid arches from beneath, 



showing points of muscular attachment 46 



1 8. Corvus corax sinuatus, its hyoid arches from above, show^- 



ing points of miiscular attachment 16 



19. Corvus corax sinuatus, the musculature of its windpipe . . 50 



20. Corvus corax sinuatus, the head from above, with roof of 



orbit removed 54 



21. Mesial aspect of an eye of a Goose (after Owen) .... 55 



22. Corvus corax sinuatus, side view of skull to show origin of 



eye-muscles in the orbit 56 



