. The comparative anatomy of the domesticated animals. Veterinary anatomy. 32 THE BONES. which are united by means of a continuous and very salient bony plate, that considerably augments the transversal diameter of each vertebra. In the atlas, the articular surface for the odontoid pivot is confounded in front with the cavities which correspond to the occipital condyles. The two facets which are annexed posteriorly to this articular surface, instead of being plane or gently undulated, as in the other domesticated animals, are transformed into real glenoid cavities. The triinsverse pro- cesses
. The comparative anatomy of the domesticated animals. Veterinary anatomy. 32 THE BONES. which are united by means of a continuous and very salient bony plate, that considerably augments the transversal diameter of each vertebra. In the atlas, the articular surface for the odontoid pivot is confounded in front with the cavities which correspond to the occipital condyles. The two facets which are annexed posteriorly to this articular surface, instead of being plane or gently undulated, as in the other domesticated animals, are transformed into real glenoid cavities. The triinsverse pro- cesses are carried directly outwards and a little backvvanl; the lip wljicli borders eacli is slightly raised; of the two foramina wiiich replace the anterior notch, one only exists, and this penetrates to the interior of the spinal canal; the other is merely a simple notch. In the axis, the odontoid process is cylindrical, narrow at its base, and bent a little upwards; the lateral facets of this eminence represents true condyles. The spinous process is very thin and undivided, and is curved forward above the laminae of the atlas. The anterior notches are never converted into foramina. The third cervical vertebra is the largest : and the succeeding ones gradually diminish in thickness to the last, contrary to what occurs in the other species. The seventh does not show the spinous process so developed as in Ruminants and Pachyderms (see Figs. 3, 4, 7). E. Rabbit.—The cervical vertebrae in this animal somewhat resemble those in the Cat, though they differ in certain general and particular characters. Thus, in the Rabbit they become larger as they proceed backward ; the atlas has its transverse processes horizontal, and they are narrow at their oriain ; the axis has a bifid tubercle at the posterior extremity of its spinous process, and a notch below it; the succeeding vertebrae are thin; the fourth, fifth, and sixth are trifid in their transverse processes; and the seventh has a short
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