File:The exterior of the horse (1892) (14780598064).jpg

Identifier: exteriorofhor00goub (find matches)
Title: The exterior of the horse
Year: 1892 (1890s)
Authors: Goubaux, Armand, 1820-1890 Barrier, Gustave Harger, Simon J. J
Subjects: Veterinary medicine Horses CHR 1892 PRO McCarthy, Philip J. (stamp) (PSPA copy) PRO McNeil, John H. (autograph) (Fairman Rogers copy 1) PRO McNeil, John H., Mrs. (donor) (Fairman Rogers copy 1) PRO Lee, Donald A. (autograph) (donor) (Fairman Rogers copy 2)
Publisher: Philadelphia : J.B. Lippincott Company
Contributing Library: University of Pennsylvania Libraries
Digitizing Sponsor: Lyrasis Members and Sloan Foundation

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stand in front of the head and allowthe light to shine into the buccal cavity. These manœuvres must be practised with the greatest gentle-ness. Excessive traction will be painful to the animal and makehim insubordinate ; it may also cause a rupture of the stylo-glossusmuscle, which we have several times proved by dissection,^ as well asthe genio-glossus and the frœnum. On account of the pain which isproduced, certain dealers, without doubt, do not hesitate to practisethis barbarous act orï horses suffering from immobility, to make themtimid and cause them to back. > A. Goubaux, De quelques pratiques barbares auxquelles on a recours pour examiner labouche du cheval, pour déterminer son âge, pour le faire reculer, etc. (Journal de lécole deLyon, 1866, p. 335.) INFERIOR EXTREMITY OF THE HEAD 77 The movements are elevation, depression, extension, retraction, andlateral inclination. Each chancres the form and volume of the organ ;it becomes wider, thicker, concave or convex, etc.
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Fig. 26.—Examination of the mouth. The volume, in general, is proportional to the capacity of the buccalcavity. We have never observed, except in very old horses, that thethickness of this organ caused it to project beyond the bars, becomethe sole support of the shank of the bit, and lessen, for this reason. 78 THE EXTERIOR OF THE HORSE. the sensitiveness of the mouth. The differences of sensibility, whichare quite common, proceed from another cause. We have alreadyspoken of this à propos of the bars and the chin. In a normal state, the tongue should always be kept in the in-terior of the buccal cavity. It helps to support the bit and, in con-cert with the lips, it receives its first impression. Some horses havethe bad habit of douhlmg the tongue within the mouth by recurvingits free extremity above or underneath the bit. This can be readilydetected by separating the lips from each other, and is remedied bytightenino; the curb-chain. The integrity and entireness of the tongue shoul

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