. 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. Fig. 1. Entelodon dirus, upper molar, m^, right side, crown view. No. 19181, type. Houldjin gravels, Expe- dition of 1922. Natural Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of
. 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. Fig. 1. Entelodon dirus, upper molar, m^, right side, crown view. No. 19181, type. Houldjin gravels, Expe- dition of 1922. Natural 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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