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December 5, 1931

The Biology of the Amphibia.

JAMA. 1931;97(23):1733. doi:10.1001/jama.1931.02730230075035

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This scholarly treatise is somewhat more than the title might indicate. It is a general discussion of modern biologic problems, Amphibia being used as illustrative material. In interesting and, so far as possible, nontechnical language, Dr. Noble deals with the following problems: the origin of the amphibia, in which one finds illustrated modern phylogenetic methods; development and heredity, including normal and experimental embryology and genetics; the mode of life history, largely a discussion of larval adaptations; speciation and adaptation, a discussion of modes of evolution; sex and secondary sex characters. Then follow a series of chapters on comparative anatomy and physiology, system by system; a chapter on instinct and intelligence; one on the ways of amphibia; one on ecology; one on geographic distribution and economic value; and, finally, one on relationships and classification. The book is so broadly conceived that it might readily be used as a textbook of vertebrate

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