Abstract
IT is probable that some readers may fail to appreciate Prof. Klaatsch's “New Theory of the Descent of Man” at its proper worth owing to the technical terms and obscure descriptions used in the account published in NATURE of November 24 (p. 118). The theory is simply this. The Neanderthal man and the gorilla have continuous supraorbital ridges and similar markings for the insertion of muscles on their skeletons; the Aurignac man (who could pass as a fairly high type of modern humanity) has not a continuous supraorbital ridge, in which he presents a very superficial resemblance to the orang, and has certain muscular impressions on his skeleton somewhat similar to the orang's.
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KEITH, A. A New Theory of the Descent of Man. Nature 85, 206 (1910). https://doi.org/10.1038/085206b0
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DOI: https://doi.org/10.1038/085206b0
