To William Bernhard Tegetmeier 20 January [1860]
Summary
Gives the results of crossing experiments; some interesting and curious facts.
Author: | Charles Robert Darwin |
Addressee: | William Bernhard Tegetmeier |
Date: | 20 Jan [1860] |
Classmark: | Archives of the New York Botanical Garden (Charles Finney Cox Collection) |
Letter no: | DCP-LETT-2656 |
To W. B. Tegetmeier 24 [February? 1860]
Summary
Discusses poultry crosses, "what a hopelessly difficult subject is that of inheritance!" Gives details of some pigeon crosses he made; cannot positively recall which produced the blue bird.
Author: | Charles Robert Darwin |
Addressee: | William Bernhard Tegetmeier |
Date: | 24 [Feb? 1860] |
Classmark: | Archives of the New York Botanical Garden (Charles Finney Cox Collection) |
Letter no: | DCP-LETT-2712 |
To W. B. Tegetmeier 17 April [1860]
Summary
Sends queries for "Fanciers"
and asks about the mating of the queen bee.
Author: | Charles Robert Darwin |
Addressee: | William Bernhard Tegetmeier |
Date: | 17 Apr [1860] |
Classmark: | Archives of the New York Botanical Garden (Charles Finney Cox Collection) |
Letter no: | DCP-LETT-2762 |
To W. B. Tegetmeier 8 May [1860]
Summary
Thanks WBT for observations on colours of newly-hatched pigeons of different breeds. Asks if breeders have noticed any differences in lengths of time eggs were incubated in different breeds.
Author: | Charles Robert Darwin |
Addressee: | William Bernhard Tegetmeier |
Date: | 8 May [1860] |
Classmark: | Yale University: Beinecke Rare Book and Manuscript Library (Yale Collection of American Literature: De Forest Family Papers (YCAL MSS 582) Box 2, folder 58, item 82 |
Letter no: | DCP-LETT-2790 |
To W. B. Tegetmeier 20 July [1860]
Summary
Asks whether crossing breeds of hive-bees is advantageous
and whether different pigeon breeds have different incubation periods.
Explains and apologises for the lack of detailed quotations in Origin.
Author: | Charles Robert Darwin |
Addressee: | William Bernhard Tegetmeier |
Date: | 20 July [1860] |
Classmark: | Archives of the New York Botanical Garden (Charles Finney Cox Collection) |
Letter no: | DCP-LETT-2872 |
To W. B. Tegetmeier 30 July [1860]
Summary
Thanks for information on pigeon hatching
and on drones.
Believes occasional crosses indispensable.
Author: | Charles Robert Darwin |
Addressee: | William Bernhard Tegetmeier |
Date: | 30 July [1860] |
Classmark: | Archives of the New York Botanical Garden (Charles Finney Cox Collection) |
Letter no: | DCP-LETT-2883 |
To W. B. Tegetmeier 1 September [1860]
Summary
Regrets he has nothing that he could contribute to the Field and cannot spare the time to work out anything on bees’ cells.
Author: | Charles Robert Darwin |
Addressee: | William Bernhard Tegetmeier |
Date: | 1 Sept [1860] |
Classmark: | Archives of the New York Botanical Garden (Charles Finney Cox Collection) |
Letter no: | DCP-LETT-2904 |