_a_, Wing; _b_, ventral tubercle; _c_, foramen transversarium; _d_,
alar foramen; _e_, intervertebral foramen; _f_, dorsal tuberosity;
_g_, articular surface corresponding to that of posterior articular
process of typical vertebra; _h_, facet on ventral arch for odontoid
process. (Ellenberger-Baum, Anat. d. Haustiere.)
]
[Illustration: