. 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. Protoceralops andrewsi. Small, young adult skull, possibly a female. A. M. No. 6408. Viewed from above. Two-fifths natural size. The occipital frill is composed exclusively of the expanded parietals. There is no good evidence of a separate mterparictal or fused dermosupraoccipitals.
. 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. Protoceralops andrewsi. Small, young adult skull, possibly a female. A. M. No. 6408. Viewed from above. Two-fifths natural size. The occipital frill is composed exclusively of the expanded parietals. There is no good evidence of a separate mterparictal or fused dermosupraoccipitals. The squamosals are limited to the anteroexter- nal border ot the trill There being no horns on the postorbitals, there is no secondary skull roof above the frontals and consequently no " pseudopineal" 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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