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From George Cupples   3 February 1874



Responds to CD’s queries about breeders’ practices in destroying and saving males or females in litters of deerhounds.

Author:  George Cupples
Addressee:  Charles Robert Darwin
Date:  3 Feb 1874
Classmark:  DAR 90: 85–90
Letter no:  DCP-LETT-9263

From George Cupples   7 February 1874


Will send CD’s query to eight or ten people.

Author:  George Cupples
Addressee:  Charles Robert Darwin
Date:  7 Feb 1874
Classmark:  DAR 161: 300
Letter no:  DCP-LETT-9274

From George Cupples   21 February 1874


Answers to queries are being sent.

Enclosure 1: statistics on puppies bred by Rayner in 1873.

Enclosure 2 from W. N. Massey: number of males or females raised depends entirely on preference of greyhound breeders.

Enclosure 3 from E. L. Williams: breeders prefer to destroy bitch pups.

Enclosure 4: Thomas Morse answers CD’s three queries, transmitted by GC: (1) in deerhounds, females predominate, three to one; (2) in all but cattle, females are less worth preserving; (3) TM rears all the young.

Enclosure 5: John Wright responds to CD’s queries about proportion of sexes in births of horses, cattle, and dogs.

Enclosure 6: G. W. Hickman cannot give reliable answers to CD’s queries on proportion of sexes born [in greyhounds?].

Author:  George Cupples
Addressee:  Charles Robert Darwin
Date:  21 Feb 1874
Classmark:  DAR 90: 91–2, 94–7, 102–13, 117–19; DAR 161: 301
Letter no:  DCP-LETT-9309

From George Cupples   12 March 1874


Promises answers to CD queries on dogs.

Enclosure 1: G. A. Graham responds to CD’s questions (transmitted by GC) on greyhound breeding and proportion of sexes reared.

Enclosure 2: J. W. Robertson’s general rule has been to preserve male deerhound puppies in preference to females.

Enclosure 3: Proportion of sexes in dog litters [for Descent, 2d ed.] from W. Forbes.

Author:  George Cupples
Addressee:  Charles Robert Darwin
Date:  12 Mar 1874
Classmark:  DAR 161: 302; DAR 90: 114–16, 119–26
Letter no:  DCP-LETT-9356
Document type
letter (4)
Cupples, George[X]
Darwin, C. R.[X]
02 (3)
03 (1)