RECORD: Darwin, C. R. n.d. Abstract of Table of thoroughbred mares. CUL-DAR193.82. (John van Wyhe ed., 2002-. The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and John van Wyhe, edited by John van Wyhe 8.2022. RN2

NOTE: See record in the Darwin Online manuscript catalogue, enter its Identifier here. Reproduced with permission of the Syndics of Cambridge University Library and William Huxley Darwin. The volume CUL-DAR193 contains notes for Darwin's book Variation under domestication (1865-75).


[82]

Produce table of Throughbred mares put to Thoroughbred Horses extracted from the Racing Calendar

 Difference  Colts  Fillies  Barren mares
Foaled in 1846  24  X 485  461  330
   1847  7  X 442  435  not stated
   1848  15  400  415  "
   1849   no returns
   1850  1  386  387  "
   1851  37  432  469  "
   1852  10  491  501  "
   1853  25  X 483  458  "
   1854  29  X 511  482  "
   1855  6  X 512  506  "
   1856  43  X 647  604  "

   1857  5  X 634  629  -514 Barren or slipped their foals
   1858  25  X 703  678  512 "
   1859  4  681  677  626 "
1860  25  X 736  711  -Above 600 "
   1861  13  X 704  691  -498 Barren 73 slipped
   1862  37  681  744  499 " 65 "
   1863  25  X 733  708  523 " 73 "
   1864  47  746  793  522 " 90 "
   1865  19  711  730  536 " 134 "
   1866  7  809  816  651 " 92 " 651 [+] 92 [=] 743
   1867  66  836  902  626 68"
12763  12797  [626 +] 68 [=] 794
[12763 +] 12797 [=] 25560

Keep for Domestic Animal— to show sterility of these highly nurtured & closely interbred quadrupeds —

(21 Years)

12 years males in excess— 9 female in excess.

see what year greatest difference & what average difference

W. B. Tegetmeir Esqr

Effects of Breeding in & in

Darwin cited this information from Tegetmeier in Descent 1: 303n.


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Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)

File last updated 13 January, 2026