Abstract
To account for the presence of man's chin at least three different explanations have been brought forward and discussed:—(1) That the chin has been evolved by sex selection for its æsthetic value; (2) that it was needful for the development of the genio-glossal muscle and speech; (3) that with man's erect posture the chin has been chiefly useful in affording room for important structures in the throat, and in protecting them during combat, etc. These explanations have so far met with very little acceptance.
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SHAW, D. Man's Chin: a Dynamical Basis for Physical and Psycho-physiological Utilities. Nature 93, 531 (1914). https://doi.org/10.1038/093531b0
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DOI: https://doi.org/10.1038/093531b0
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