. The comparative anatomy of the domesticated animals. Veterinary anatomy. 1038 EMBRYOLOGY. the fourth montli, or thereabouts, the hoof, better defined, has become firm and opaque, and has assumed a fine yellow tint. At mid-term, brown or black patches are manifest if the coronet is provided with pigment; it is only about the end of gestation that the hoof towards the coronet begins to have the greenish hue peculiar to horn destitute of pigment, but the remainder of this production—especially at the inferior part—preserves its yellow colour uutil birth. In Solipeds, the ' chestnuts' are shown
. The comparative anatomy of the domesticated animals. Veterinary anatomy. 1038 EMBRYOLOGY. the fourth montli, or thereabouts, the hoof, better defined, has become firm and opaque, and has assumed a fine yellow tint. At mid-term, brown or black patches are manifest if the coronet is provided with pigment; it is only about the end of gestation that the hoof towards the coronet begins to have the greenish hue peculiar to horn destitute of pigment, but the remainder of this production—especially at the inferior part—preserves its yellow colour uutil birth. In Solipeds, the ' chestnuts' are shown at mid-term, in the shape of thin brown plates, which are soon ; * The horn of the hoof is not at first tubular; after birth it is shed, and is succeeded by a more consistent tubular horn, which had been forming beneath it. Development of the Locomotory Apparatus. 1. The Skeleton.—^We have seen at p. 19 how the development and growth of the bones take place ; it is therefore needless to recur to this subject here ; so we will limit ourselves to an examination of the mode of development of the principal sections of the skeleton. A. Development of the vertebra.—The vertebral spine is the first portion of the skeleton manifested in the embryo ; it is represented by the chorda dorsalis Fig. Fig. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Chauveau, A. (Auguste), 1827-1917; Arloing, S. (Saturnin), 1846-1911; Fleming, George, 1833-1901. New York, D. Appleton
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