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Letter 7268

Haeckel, E. P. A. to Darwin, C. R.

6 July 1870

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    Discusses applicability of evolutionary theory to the question of human origins.

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    Describes revisions in 2d edition of Natürliche Schöpfungsgeschichte.

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    His research on calcareous sponges.

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    Mentions evolutionary content in Gegenbaur's Vergleichende Anatomie [2d ed. (1870)].


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