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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
Document type
letter (7)
Author
Addressee
Correspondent
Darwin, C. R.[X]
Tegetmeier, W. B.[X]
Date
1860
01 (1)
02 (1)
04 (1)
05 (1)
07 (2)
09 (1)
letter