. Central Asiatic Expeditions of the American Museum of Natural History, under the leadership of Roy Chapman Andrews : preliminary contributions in geology, palaeontology, and zoology. Central Asiatic Expeditions (1921-1930); Scientific expeditions; Natural history; Scientific expeditions; Natural history. 8 AMERICAN MUSEUM NOVITATES [No. 201 inward. The premolar series has been reduced to a single tooth, P4. As preserved, this tooth is large, blunt, rather formlfess, and somewhat compressed laterally. It seems probable that it was a sharp-edged shearing tooth, but this is not absolutelj^ demo
. Central Asiatic Expeditions of the American Museum of Natural History, under the leadership of Roy Chapman Andrews : preliminary contributions in geology, palaeontology, and zoology. Central Asiatic Expeditions (1921-1930); Scientific expeditions; Natural history; Scientific expeditions; Natural history. 8 AMERICAN MUSEUM NOVITATES [No. 201 inward. The premolar series has been reduced to a single tooth, P4. As preserved, this tooth is large, blunt, rather formlfess, and somewhat compressed laterally. It seems probable that it was a sharp-edged shearing tooth, but this is not absolutelj^ demonstrated. The first. Fig. 7. Djadochtatherium matthewi., photographs of mandible of type. X 2. A, from above; B, from the side. molar again is poorly preserved, not only badly worn but also broken. The crown had two longitudinal rows of cusps with a small number of cusps, quite surely three, in each. The posterior molar is unknown. When the jaws were closed, the lower incisors had their tips in- serted between the small posterior upper incisors. It seems certain,. 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 Central Asiatic Expeditions (1921-1930); Andrews, Roy Chapman, 1884-1960; Matthew, William Diller, 1871-1930. [New York : American Museum of Natural History
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