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'Ontogeny: principles'

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Hinde 1959 & 1965; Lorenz 1954-5; Hermann 1933; Yerkes 1943; Armstrong 1942; Vowles 1953. Also includes note of a discussion with Hinde, Aug 1956; pencil sketch made by Lorenz of mechanism in certain species of fish by which male or female behaviour is determined, Oct 1956.

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'Ontogeny: principles'

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