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To Fritz Müller   1 January 1874

Summary

Thanks for two pamphlets.

Sends Thomas Belt’s [The naturalist in Nicaragua (1874)], "the best Nat. Hist. book of travels ever published".

Author:  Charles Robert Darwin
Addressee:  Johann Friedrich Theodor (Fritz) Müller
Date:  1 Jan 1874
Classmark:  The British Library (Loan MS 10 no 36)
Letter no:  DCP-LETT-9223

From Fritz Müller   [c. January 1874]

Summary

Agrees with Bates that neuter termites are not modified imagos (sterile females), but modified larvae (of both sexes).

Systematic relations of stingless honey-bees (Melipona and Trigona) are not yet well established.

Author:  Johann Friedrich Theodor (Fritz) Müller
Addressee:  Charles Robert Darwin
Date:  [c. Jan 1874]
Classmark:  Nature, 19 February 1874, p. 309
Letter no:  DCP-LETT-9281