The American reformed horse book : a treatise on the causes, symptoms, and cure of all diseases of the horse, including every disease peculiar to America ; also embracing full information on breeding, rearing, and management designed for popular use . apex, leaving a triangulareminence between them. The sharpness of the apex, the degreeof curvature, and the distinctness of the furrows are good crite-rions of youth; for, as the animal advances in years, the tushes 132 DADD S VETERINARY xMEDICINE AND SURGERY. become blunt, less angular, and more rounded, and the furrowshave disappeared. Supposin
The American reformed horse book : a treatise on the causes, symptoms, and cure of all diseases of the horse, including every disease peculiar to America ; also embracing full information on breeding, rearing, and management designed for popular use . apex, leaving a triangulareminence between them. The sharpness of the apex, the degreeof curvature, and the distinctness of the furrows are good crite-rions of youth; for, as the animal advances in years, the tushes 132 DADD S VETERINARY xMEDICINE AND SURGERY. become blunt, less angular, and more rounded, and the furrowshave disappeared. Supposing that the tushes are not completelyevolved until the age oi five; in the sixth year the apex of thecone is worn some; in the seventh the furrows grow shallow; inthe eighth year they are obliterated, after which period the apexgradually wears away, and the body of the same becomes roundedand pointed, or blunt, according to circumstances. Aside fromthe teeth, an aged horse may be known by the deq3 pits above theorbital processes; the sunken eye ; by the promin.^nce of the jointaand loss of plumpness in the muscles; the lips ar^ somewhat pen-dulous; the withers sharp; the back becomes ari^hed; the teethare lengthened, and become yellow. Fig. ? POBTIOfl OF THB t^PPKR JAW OV OLD VLAKlt HAWK, (Aged twen-^y-three years and eight munthd.) The Grinders, or Molars, afford but very little inform^d^^ae regards the precise age of a horse. As he advances in ye^s-however, the outer edges become sharpened, so that it often Le-oomes necessary to rasp them. As regards their development, \\id understood that the foal is born with two upper and lowe?grinders in each jaw. At the end of a month, sometimes more, »third appears. At the completion of the first year, or thereabouts;ft fourth grinder in each jaw appears. Thus the yeailing has six*teen grinders. At the age of twoy a fifth grinder appears, and atthe age of three the sixth and last appear. It must be rememberedthat cribbers and vorac
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