. Annals of the Carnegie Museum. Carnegie Museum; Carnegie Museum of Natural History; Natural history. 164 Annals of the Carnegie Museum. robiistuni.'''' 1 knew that the name had been given by Leidy to an individual belonging to O. culbertsoni, but considered the name still available. I propose for it the specific name macnvhinus. The skull is not much if any longer than that of O. culhcrtsoui Leidy, but is very much heavier, and I think the differences are not. Fig. 8. Oreodon macrorhinus (No. 767), White River beds, near Toston, Mont. One half natural size. sexual. As seen from the side the


. Annals of the Carnegie Museum. Carnegie Museum; Carnegie Museum of Natural History; Natural history. 164 Annals of the Carnegie Museum. robiistuni.'''' 1 knew that the name had been given by Leidy to an individual belonging to O. culbertsoni, but considered the name still available. I propose for it the specific name macnvhinus. The skull is not much if any longer than that of O. culhcrtsoui Leidy, but is very much heavier, and I think the differences are not. Fig. 8. Oreodon macrorhinus (No. 767), White River beds, near Toston, Mont. One half natural size. sexual. As seen from the side the muzzle tapers very little. The enamel on the premolar teeth is wrinkled. The nodular beds from which this was taken undoubtedly corre- spond with the "Oreodon beds" of the plains region. Upper Oligocene ? CARNIVORA. Mesocyon? Drummondanus sp. nov. No. 792. Figs. 9 and 10. Of this dog there is the scapula, some fragments of other parts of the skeleton, and a skull lacking the mandible. It was found about three or four miles east of Drummond, near the Hellgate River. As the lower teeth are not present it cannot be certainly referred tO' its proper genus. The species, however, is different from any I have seen. I cannot better define it than by showing how it differs from Mesocyon coryphceus Cope, and Cyiwdesmi/s thooidcs Scott. Compared with M. cojyplimis it is somewhat smaller, not so much restricted behind the orbit; the sagittal crest is not so elevated ; the. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Carnegie Museum; Carnegie Museum of Natural History. [Pittsburgh] : Published by authority of the Board of Trustees of the Carnegie Institute


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Keywords: ., booka, bookcentury1900, bookdecade1900, booksubjectnaturalhistory