[Footnote: I have given an explanation of these facts in my work on Comparative Osteology and the Archetype Skeleton, to which, and also to Professor Owen’s work, entitled Homologies of the Vertebrate Skeleton, I refer the reader.]
DESCRIPTION OF PLATES 7 & 8.
PLATE 7.
A. Common carotid at its place of division.
B. External carotid.
C. Internal carotid, with the descending branch of the ninth nerve lying on it.
D. Facial vein entering the internal jugular vein.
E. Sterno-mastoid muscle, covered by
F. Part of the platysma muscle.
G. External jugular vein.