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April 21, 1923

The Origin and Evolution of the Human Dentition.

JAMA. 1923;80(16):1169-1170. doi:10.1001/jama.1923.02640430057039

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The purpose of this book is to give a brief and concise review of the origin and evolution of the human dentition from the point of view of paleontology. Dr. Gregory follows the development of the teeth from their far-off beginning in the fishes, through their amphibian and reptilian descendants to the mammals. He shows, as Osborn has, that the supremacy of the mammals and their rapid domination in evolution was due to the fact that they possessed a tooth, derived from their reptilian ancestor, "that was capable of adaptive evolution." Dr. Gregory shows in a most interesting way the relation of the development of the denture to our knowledge of the evolution of the anthropoid apes and the ancestor of man. The arrangement of the material and the excellence and number of the illustrations greatly facilitate the study, to one not already well acquainted in the field. The work

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