. 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. v;«|jji--j. Fig. 6. Type skull, largely restored, of Protiguanodon mongoliense (Amer. Mus. 6253). The type jaw of the same skull is shown in Os- born, 1923, p. 8, Fig. 4. pes of Protiguanodon (Fig. 4) is double the size of the manus, from which we may infer that the pes performed twice as mu
. 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. v;«|jji--j. Fig. 6. Type skull, largely restored, of Protiguanodon mongoliense (Amer. Mus. 6253). The type jaw of the same skull is shown in Os- born, 1923, p. 8, Fig. 4. pes of Protiguanodon (Fig. 4) is double the size of the manus, from which we may infer that the pes performed twice as much work as the manus. Locomotion.—The proportions of the organs of the axial and appen- dicular skeletons are approximately similar to those of Iguanodon hernis- sartensis. In Iguanodon the vertebral column on the whole is relatively more massive. The ossified tendons of Iguanodon extend down along the sides of the elongated spines of sixteen to twenty of the anterior caudals,. 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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