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A congratulatory letter from Darwin to ARW about 2 of his papers he had sent Darwin; one on parrots and the other on geographic distribution.
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Thanking Pankhurst for an article on the origins of language.
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Has received proofs of four plates of Papilios. Encloses a tracing of specimens for fig. 4 (P. telephus) and fig. 5 P. miletus and P. jason. Wants more contrast shown.
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