. The American Museum of Natural History : pictorial guide. American Museum of Natural History; Natural history museums. horns, and Trachodon, the "duck-billed" dinosaur. The bones of these ancient reptiles have become fossilized by a process in which the organic material of the bone decays and is replaced by min- eral materials from the earth. A wall exhibit, "The Birth, Life and Death of a Dinosaur," shows the various stages — from egg to adult — of Proto- ceratops, a small and primitive horned dinosaur. The Protoceratops specimens were discovered in Outer Mongolia dur- T
. The American Museum of Natural History : pictorial guide. American Museum of Natural History; Natural history museums. horns, and Trachodon, the "duck-billed" dinosaur. The bones of these ancient reptiles have become fossilized by a process in which the organic material of the bone decays and is replaced by min- eral materials from the earth. A wall exhibit, "The Birth, Life and Death of a Dinosaur," shows the various stages — from egg to adult — of Proto- ceratops, a small and primitive horned dinosaur. The Protoceratops specimens were discovered in Outer Mongolia dur- TYRANNOSAURUS SKULL. 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 American Museum of Natural History. New York : American Museum of Natural History
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Keywords: ., bookauthorame, bookcentury1900, booksubjectnaturalhistorymuseums
