. The dinosaur book : the ruling reptiles and their relatives. Dinosaurs; Reptiles, Fossil. THE STRANGE HEADS OF SOME DUCK-BILLED DINOSAUR Kritosaurus An expansion of the natal bones gave Kritosaurus a beaked or hook-nosed appearance Corythosaurus. A large crest. Involving the premaxillaries as well as the nasal bones, distinguished Corythosaurus. The long S-shaped curve of the nasal passages formed within the crest an air storage chamber permitting the animal to remain under water longer. Please note that these images are extracted from scanned page images that may have been digitally enhance


. The dinosaur book : the ruling reptiles and their relatives. Dinosaurs; Reptiles, Fossil. THE STRANGE HEADS OF SOME DUCK-BILLED DINOSAUR Kritosaurus An expansion of the natal bones gave Kritosaurus a beaked or hook-nosed appearance Corythosaurus. A large crest. Involving the premaxillaries as well as the nasal bones, distinguished Corythosaurus. The long S-shaped curve of the nasal passages formed within the crest an air storage chamber permitting the animal to remain under water longer. 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 Colbert, Edwin H. (Edwin Harris), 1905-2001; Knight, Charles Robert, 1874-1953; American Museum of Natural History. New York : Published for the American Museum of Natural History by McGraw-Hill


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Keywords: ., bookauthoramericanmu, bookcentury1900, booksubjectreptilesfossil