To Jean Louis Rodolphe Agassiz 22 October 1848
Summary
Thanks LA and sends thanks to A. A. Gould for specimens. Describes principal findings of his research on cirripedes. Is obliged for information Joseph Leidy gave about cirripede eyes. Describes anatomical features and chief aspects of growth. Describes discovery of parasitic males and a species parasitic upon other cirripedes.
Author: | Charles Robert Darwin |
Addressee: | Jean Louis Rodolphe (Louis) Agassiz |
Date: | 22 Oct 1848 |
Classmark: | Houghton Library, Harvard University (MS Am 1419: 274) |
Letter no: | DCP-LETT-1205 |
To Louis Agassiz 15 June [1850]
Summary
Thanks LA for presentation copy of his book, Lake Superior [1850].
Comments on species of cirripedes sent by LA and A. A. Gould.
Author: | Charles Robert Darwin |
Addressee: | Jean Louis Rodolphe (Louis) Agassiz |
Date: | 15 June [1850] |
Classmark: | Houghton Library, Harvard University (MS Am 1419: 275) |
Letter no: | DCP-LETT-1341 |
To Louis Agassiz 21 February [1858]
Summary
Thanks LA for presentation copy of Contributions [to the natural history of the United States of America, vol. 1, pt 1: Essay on classification, and vol. 1, pt 2: North American Testudinata (1857)]. Flattered; CD sees there is much of highest interest to him.
Author: | Charles Robert Darwin |
Addressee: | Jean Louis Rodolphe (Louis) Agassiz |
Date: | 21 Feb [1858] |
Classmark: | Houghton Library, Harvard University (MS Am 1419: 279) |
Letter no: | DCP-LETT-2217 |
To Louis Agassiz 11 November [1859]
Summary
Sends copy of Origin.
Author: | Charles Robert Darwin |
Addressee: | Jean Louis Rodolphe (Louis) Agassiz |
Date: | 11 Nov [1859] |
Classmark: | Houghton Library, Harvard University (MS Am 1419: 276) |
Letter no: | DCP-LETT-2519 |
To Louis Agassiz 12 April 1864
Summary
Thanks LA for Methods of study [1863].
Is gratified that he has not taken a personal dislike to CD, though he is strongly opposed to nearly everything CD has written.
Author: | Charles Robert Darwin |
Addressee: | Jean Louis Rodolphe (Louis) Agassiz |
Date: | 12 Apr 1864 |
Classmark: | Houghton Library, Harvard University (MS Am 1419: 277) |
Letter no: | DCP-LETT-4460 |
To Louis Agassiz 1 March [1841]
Summary
Has enjoyed reading LA’s book [Études sur les glaciers (1840)].
Hopes LA will pardon manner in which CD has alluded to his work on glaciers in his Journal of researches, of which he sends a copy.
Author: | Charles Robert Darwin |
Addressee: | Jean Louis Rodolphe (Louis) Agassiz |
Date: | 1 Mar [1841] |
Classmark: | Houghton Library, Harvard University (MS Am 1419: 280) |
Letter no: | DCP-LETT-593 |
To Louis Agassiz 19 August 1868
Summary
Thanks LA for information on sexual differences in the coloration of Amazonian fish. CD was anxious to know how the sexes differed because they are unusual in that the male has the largest share in looking after ova and young.
Author: | Charles Robert Darwin |
Addressee: | Jean Louis Rodolphe (Louis) Agassiz |
Date: | 19 Aug 1868 |
Classmark: | Houghton Library, Harvard University (MS Am 1419: 278) |
Letter no: | DCP-LETT-6323 |
Darwin, C. R. | (7) |
Agassiz, Louis | (7) |
Darwin, C. R. | (7) |