On deformity of the lower jaw in the cachalot (Physeter macrocephalus, Linn.) / by James Murie.

  • Murie, James.
Date:
[1865]
Catalogue details

Licence: Public Domain Mark

Credit: On deformity of the lower jaw in the cachalot (Physeter macrocephalus, Linn.) / by James Murie. Source: Wellcome Collection.

Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.

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    bone of the right side, which last is seemingly worn into a groove by the continued pressure of the left half on it (fig. 2 b). Internally and below, the surface of the latter bulging part of the bone has a fibrous appearance, the lines being gently curved round, but in no way as if the jaw had been fractured or received a sudden single powerful twist. Above the last-mentioned place the surface of the bone is roughened and porous in appearance, like what is produced by periostitis. The remainder of the bone to the tip is diminished in thickness. The right half of the inferior maxillary bone has a similar shep- Fig. 2. Abiiormal lower jaw of Calodon {Pliyseler macrocejjhalus, Linn.) in the British Museum. [5]