. Description of new carnivores from the Miocene of western Nebraska. Carnivora, Fossil; Paleontology; Paleontology. PETERSON : NEW CARNIVORES FROM MIOCENE OF WESTERN NEBRASKA 217 trum is elongate, narrow, and depressed, with a thin and inconspicuous hypopophy- sial ; In Daphecnodon superbus the centrum, though somewhat depressed, is short in comparison with that of Canis and the hypopophysial keel is more strongly developed than in the latter. The ventral face of the centrum in the present genus is not nearly as concave antero-posteriorly as in the dog, and the ventral keel ter- min
. Description of new carnivores from the Miocene of western Nebraska. Carnivora, Fossil; Paleontology; Paleontology. PETERSON : NEW CARNIVORES FROM MIOCENE OF WESTERN NEBRASKA 217 trum is elongate, narrow, and depressed, with a thin and inconspicuous hypopophy- sial ; In Daphecnodon superbus the centrum, though somewhat depressed, is short in comparison with that of Canis and the hypopophysial keel is more strongly developed than in the latter. The ventral face of the centrum in the present genus is not nearly as concave antero-posteriorly as in the dog, and the ventral keel ter- minates posteriorly in a broader area, which is extended downward very slightly so as to form of its posterior three-fourths a slight antero-posterior concavity, but there is no prominent tubercle as in Canis. The articu- lation for the atlas is more convex and rises x ⢠i .1 ⢠i .1 fi j ⢠Fig. 7. Lateral and Posterior Views of Axis of higher upon the sides than in Cants and is â »**.*â ° r D. superbus. \ nat. size. apparently not materially changed from that in the Oligocene form. The odontoid process also agrees with Professor Scott's description of that in the older form, which he says is " a long, slender, bluntly pointed peg, with a heavy, rounded ridge upon its dorsal surface, which is continued back along the floor of the neural ; The transverse process is heavier, shorter, and is more nearly parallel to the centrum than in Canis, which is also characteristic of Daphcenus. On the lower border of the transverse process is developed an inferior branch or costal element (see Fig. 7) which is rather unusual on the axis among the dogs and is not mentioned by Scott in his descrip- tion of this process in Daphcenus. The vertebrarterial canal is apparently slightly further forward than in Daphamus, but it is still further back and slightly longer than in Canis. The neural canal is large, as in Daphcenus, and does not contract so much towards the hin
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