Age of the Domestic Animals; Being a Complete Treatise on the Dentition of the Horse, Ox, Sheep, Hog, and Dog, and on the Various Other Means of Determining the Age of These Animals
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1903 edition. Excerpt: ...the superior corner tooth is still more oblique; it has a notch on its posterior border, and it is separated farther from the intermediate. The inferior tables are round and nearly leveled, or only have traces of the cups. A yellow spot represents the dental star. The superior corner teeth are almost leveled. The incisive arches are narrower and less convex than at an earlier age. Thirteen Years (Figs. 107, 108, 109).--In front, the appearance is much the same as it is at twelve years. In profile, the notch of the superior corner tooth is larger; the inferior appears narrow, with its borders parallel. The plate, drawn from a mare's mouth, shows rudimentary tusk teeth. The inferior tables are round and generally leveled. The superior corner teeth are generally leveled. In the superior pinchers the cups are rounded. Fifteen Years (Figs. 110, 111, 112).--From in front the inferior teeth appear shorter than the superior, as the jaw has not been raised to the proper height; in profile, they are seen to be about the same length. The notch in the superior corner teeth continues. The inferior tables show, in their centre, a very decided, rounded dental star. The pinchers are nearly triangular in shape; the intermediate teeth begin to become so. The central enamel in the upper pinchers is much smaller than at thirteen years; the incisive arch is depressed in front and narrowed transversely. In this mouth the cups have disappeared from the upper corner teeth. 8 Seventeen Years (Figs. 113, 114, 115).--In front, the superior corner teeth incline toward the centre. The line of apposition of the teeth is very oblique on the horizontal line. To see the inferior teeth distinctly, the head must be well lifted. The tables of the inferior teeth are all triangular;...
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