Archive image from page 46 of Description of new carnivores from. Description of new carnivores from the Miocene of western Nebraska descriptionofnew45pete Year: 1910 PETERSON : NEW CARNIVORES FROM MIOCENE OF WESTERN NEBRASKA 251 same ratio as the entocuneiform has decreased. Both meso- and ectocuneiforms are therefore of approximately the same proportionate size as in the Oligocene form. The dorsal face has a more perfect diamond- shaped appearance than in Canis or Felis, \P '''j fMX'-'l1 Wi'' ml T' W which is due chiefly to the greater obliquity / ftt MOpTSfff di jK$ U ' -3\ Uajw &â â of t
Archive image from page 46 of Description of new carnivores from. Description of new carnivores from the Miocene of western Nebraska descriptionofnew45pete Year: 1910 PETERSON : NEW CARNIVORES FROM MIOCENE OF WESTERN NEBRASKA 251 same ratio as the entocuneiform has decreased. Both meso- and ectocuneiforms are therefore of approximately the same proportionate size as in the Oligocene form. The dorsal face has a more perfect diamond- shaped appearance than in Canis or Felis, \P '''j fMX'-'l1 Wi'' ml T' W which is due chiefly to the greater obliquity / ftt MOpTSfff di jK$ U ' -3\ Uajw &â â of the proximal and distal articular facets in _j=2 Dapliecnodon. The facet for the navicular on the proximal face is especially oblique, due to a prominent ascending process on the fib- ular angle. This process has a large facet for iJtu 'SsA \Jr 5 JjtM 6 the cuboid on its fibular face, and near the Fig. 48. Ectocuneiform (right side),of D. distal end there are two minute facets for Mt. supirbus. Nat. size, l, dorsal view; 2, fibular IV, one dorsal and the Other palmar. The â¢w ; 3, tibial riew; 4, plantar view; 5, inferior . ⢠-i, view; 6,superior view. tibial face has three facets, one proximally for the mesocuneiform referred to above, and two distally for Mt. II. The distal face is more oblique and also more concave antero-posteriorly than in the recent forms, while the plantar process is reduced in size and is canine rather than feline in its general characters. Measurements of Ectocuneiform. Mm. Greatest anteroposterior diameter 21 Greatest transverse diameter 12 Greatest vertical diameter 18 Cuboid. âIn comparison the cuboid is of a slightly greater transverse and less vertical diameter than that of Daphccnus. Otherwise there are no striking differences in this bone in the two genera. The dor- ' - If ft 2-ii£i StiiMw sa ace s Sy concave in the proximo- distal direction, while on the fibular plantar face is found the deeply excavated groove 14JI| f°r tne perone
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