. Description of new carnivores from the Miocene of western Nebraska. Carnivora, Fossil; Paleontology; Paleontology. 216 MEMOIRS OF THE CARNEGIE MUSEUM reveal conditions more nearly identical with those found in Daphamus. Thus the posterior exit of the vertebrarterial canal is not superior as in the dogs, but more nearly posterior as in the cats;10 the anterior cotyles are small; the transverse. Fig. 5. Atlas of D. superbus. J nat. size. 1, dorsal view ; 2, lateral view ; 3, ventral view. diameter of the articulation for the axis is proportionally less in size ; and the bone, with the exceptio
. Description of new carnivores from the Miocene of western Nebraska. Carnivora, Fossil; Paleontology; Paleontology. 216 MEMOIRS OF THE CARNEGIE MUSEUM reveal conditions more nearly identical with those found in Daphamus. Thus the posterior exit of the vertebrarterial canal is not superior as in the dogs, but more nearly posterior as in the cats;10 the anterior cotyles are small; the transverse. Fig. 5. Atlas of D. superbus. J nat. size. 1, dorsal view ; 2, lateral view ; 3, ventral view. diameter of the articulation for the axis is proportionally less in size ; and the bone, with the exception of the transverse process, is, as a whole, rather heavier than in Cards. The atlanteo-diapophysical notch is deep and as in the dogs is not covered with a bony bridge to form a foramen. This character was observed in Daphanus by Professor Scott," while in some of the genera of the Mia- .f^HI , cidx (Oodectes) this notch was already converted into a fora- The foramen in the arterial groove, which pierces the wall of the neural arch on the ventral face of the trans- Fia. 6. Atlas of Ctinoties- . ,. , ,, , . i . i .-, . , „ KT Q1 .„ verse process, is exceedingly small, winch is also the case in mus brachypusCope. No. 8140, r ' © J cope Collection, Am. Museum the atlas of Daphamus here used for comparison. In Canis Natural History, i nat. size. , . e • », this foramen is ol larger size. In the atlas of Cipiodesmus brachypus the posterior exit of the vertebrarterial canal is more dorsally located (see Fig. 6); its atlantal notch is not nearly so deep and the foramen piercing the neural arch on the ventral face of the transverse proc- ess is as large as in Canis. Measuekments of Atlas. Mm. Greatest antero-posterior diameter 52 Greatest transverse diameter 99 Antero-posterior diameter at cotyles 39 Transverse diameter of cotyles anteriorly 51 Transverse diameter of cotyles posteriorly 36 Axis. — In comparison with Canis the axis is short and high and according
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