Restoration of Coryphodon / by O.C. Marsh.

  • Marsh, Othniel Charles, 1831-1899.
Date:
1893
Catalogue details

Licence: Public Domain Mark

Credit: Restoration of Coryphodon / by O.C. Marsh. 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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    skull and the brain-cast, given by the writer first in 1876, and aoain in 1877, is repeated below, figure 1. ^ In another publication (this Journal, vol. xiv, p. 3o4, 1B<7), the writer defined more fully the horizon in the lower Locene in which the Covijphodontidie had been found m this country, and named the deposits the Coryphodon beds. 1. mm Figure I.—Outline of skull and braiu-cavity of Coryphodon hamatus, Marsh; top view. About one-fifth natural size. The most important publication of Prof. Cope on the C'o/'yjjhodontidcB will be found in Yolume IV of the Wheeler Survey, published in 1877. The remains of a number of dif- ferent forms, mainly from New Mexico, are described and figured, and the relations of the group to some allied mammals are discussed. In the following year, Prof. Owen published again on Coryphodo?!, in the Annals and Magazine of Natural History (vol. ii, p. 216, 1878), giving figures of some American forms. In various papers. Prof. Cope subsequently referred to the C'ofi/phodo/itidce, naming several supposed species and two genera, Manteodon and Ectacodon. but adding little of importance to what was already known of the group. In his volume on The Vertebrata of the Tertiary Formations of the West, 1884, he again discusses at length the Coryphodon- tidiri, and gives a number of new figures. The historical part, pp. 513-.517, is marred by many errors, characteristic examples of which may be seen in two footnotes, pp. 513 and 516. The statements there made are erroneous, as has already been shown in the present article. In his monograph on the Dinocemta, 1884, the writer dis- cns.sed the various I'clations of the Corypkodontidce to the JJinoceratM, giving figures of the skull and brain-cast, the upper and lower molar teeth, and the feet, of Coryphodon hamatus. The name Amhlydactyla was substituted for Amhiypoda, and C'oryphodontia for l\intodonta, the names replaced both being essentially preoccupied.