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From Edward Caldwell Rye   14 February 1870

Summary

Draws CD’s attention to a paper by Maurice Girard containing observations on the fertilisation of Orchidaceae by two species of Longicornia [Ann. Soc. Entomol. France 9 (1869): xxxi–xxxii].

Author:  Edward Caldwell Rye
Addressee:  Charles Robert Darwin
Date:  14 Feb 1870
Classmark:  DAR 176: 228
Letter no:  DCP-LETT-7106

From E. C. Rye   29 June 1870

Summary

Draws CD’s attention to a paper in American Naturalist [3 (1869): 109] describing honey-bees killed by entanglement in pollen-masses of Asclepias.

Author:  Edward Caldwell Rye
Addressee:  Charles Robert Darwin
Date:  29 June 1870
Classmark:  DAR 176: 229
Letter no:  DCP-LETT-7252

From E. C. Rye   29 August 1873

Summary

Reports a paper by H. von Kiesenwetter [Berliner Entomol. Z. 16 (1872): 370] on the Malthodes, some species of which appear to have a sex ratio with females greatly outnumbering males, suggesting the occurrence of parthenogenesis.

Author:  Edward Caldwell Rye
Addressee:  Charles Robert Darwin
Date:  29 Aug 1873
Classmark:  DAR 176: 230
Letter no:  DCP-LETT-9032
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letter (3)
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1870 (2)
1873 (1)