Studies of Eocene Mammalia in the Marsh Collection, Peabody Museum. Pt. II. Primates / by J. L. Wortman.

  • Wortman, J. L. (Jacob Lawson), 1856-1926.
Date:
[1903-1904]
Catalogue details

Licence: In copyright

Credit: Studies of Eocene Mammalia in the Marsh Collection, Peabody Museum. Pt. II. Primates / by J. L. Wortman. 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.

    7/114 (page 149)
    hog, figure 100. lie says :* “ The course of the internal caro- tid artery is remarkable. When it reaches the base of the skull it enters the tympanum and there divides into two branches, of which one traverses the stapes, and, passing for- ward in a groove of the roof of the tympanum, enters the skull and gives rise to the middle meningeal and ophthalmic 100 Figure 100.—Enlarged view of the base of the skull of Erinaceus europceus ; showing the foramina. fo, foramen ovale ; Jim, foramen lacerum medium ; ec, eustachian canal ; pcjf, postglenoid foramen ; smf, stylomastoid foramen ; cc, carotid canal; Jlp, foramen lacerum posticum ; cf, condyloid foramen. arteries. The other branch passes over the cochlea, enters the skull by a narrow canal near the sella turcica, and unites with the circle of Willis.” This course and distribution of the entocarotid is not only characteristic of the hedgehog, but is also found in the follow- * Anatomy of Vertebrated Animals, 1872, p. 380.