On the Anatomy of the Vertebrates. 2. Birds And Mammals
On the Anatomy of the Vertebrates. 2. Birds And Mammals
Richard Owen
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217 218 Vertebra dentata, DidelpkifB Virginiana. the succeeding. This struc- ture is exhibited in a slighter degree in the cervical verte- brae of the Dasyures, Pha- langers, and Great Kangaroo. In the Petaurists, Potoroos, Wombat, and Koala, the di- rection and simpler form of the 'SS^mvTf^'JSS!** transverse processes aUow of greater freedom of lateral mo- tion. In the Koala and Wombat a short obtuse process is given off from the under part of the transverse process of the sixth cervical verte...brae. In the Potoroos, Kangaroos, Petaurists, Pha- langers, Opossums, and Dasyures, this process is remarkably expanded in the direction of the axis of the spine. In the Bandi- coots corresponding processes are observed, progressively increasing in size, on the fourth, fifth, and sixth cervic^ vertebrae. B. Skull — The form of the skull varies much in different Marsupials, but it may be said, in general terms, to resemble an elongated cone, being terminated by a vertical plane surface behind, and in most of the species converging toward a point Digitized by Google SKELETON OF MARSUPIALIA.
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