File:The cat; an introduction to the study of backboned animals, especially mammals (1881) (20577698982).jpg

Title: The cat; an introduction to the study of backboned animals, especially mammals
Identifier: catintroductiont00miva (find matches)
Year: 1881 (1880s)
Authors: Mivart, St. George Jackson, 1827-1900
Subjects: Cats; Anatomy, Comparative
Publisher: London, Murray
Contributing Library: MBLWHOI Library
Digitizing Sponsor: MBLWHOI Library

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CHAP. XII. J DIFFERENT KINDS OF CATS. 435 § 17. Another miocene form (as largo as the jaguar) has also been described by Professor Cope, under the name Nimuavus. It is from the vicinity of the White Eiver, Oregon. It is described by its discoverer* as having the same form of upper and lower sectorial as Moplophoneits, but as differing from the latter in that it has an inferior tubercular molar. The heel to the lower sectorial is large. The upper canine is very straight and dagger-like, and the alveolar border between it and the second premolar is singularly arched. A very interesting form, called DiNicTis,t has been found in the
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Jlnat.size. Fig. 187.—Skull of Dinictis Cyclops. " mauvaise terre " of Nebraska, which is certainly miocene if not, as some geologists think, eocene. It was as large as the Northern lynx. In this kind the upper sectorial has no anterior lobe, while the lower sectorial has a very large bifid posterior lobe or heel. The mandible also is somewhat widened anteriorly ; but the most inte- resting character is the presence of a small tubercular molar in the lower jaw, together with three premolars in front of the sectorial, so that there are three premolars and two molars on each side. Another kind has been described by M. Filhol J as Procelurus. It has one tubercular molar above and below, with teeth very feline in form. The shape of the skull, however, is not feline, and the present author is disposed to regard it rather as a creature of the weasel kind—an opinion in which he is supported by the concurrence * Ami. and Mag. Nat. Hist., I. c, and Pro. Acad. Nat. Sc. Philadelphia, I. c. t See Leidy's Mammals of Nebraska and Dakota, Journal of the Academy of Nat. Sc. of Philadelphia, p. 64, plate 5, Fig. 1-4. The genus of JElurogalc of Filhol seems to be really the same as Dinictis. X See Annales des Sciences Geolo- giques, vol. x., p. 192, jilate 27, figs. 5, 6, 8-13, and i:)late 26, figs. 2-11 ; and in the Bibliotheque de I'Ecole des Hautes Etudes, section des Sc. Nat., vol. xix., 1879, pp. 192-201. F F 2

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