The direction of hair after rotation of
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Trotter, Mildred ;Dawson, Helen L.
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Article
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1931
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John Wiley and Sons
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English
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The contention of F. Wood-Jones ('25) that, if hair is habitually scratched and combed in the wrong way it will in the end produce reversals, led us t o undertake the experiment which is reported in this paper. The short and straight-haired guinea-pig, Cavia cobaya, was selected, because its skin a