RECORD: Darwin, C. R. n.d. Sheep, cattle [proportions of males and females]. CUL-DAR85.B57-B58. (John van Wyhe ed., 2002-. The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed and edited by John van Wyhe 2.2026. RN1

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 volumes CUL-DAR80-86 contain material for Darwin's book Descent of man (1871).


B57

Castration end of May     Sheep

 

Aitchison Linhope farm 1868

608

660

 

 

 

(Cheviot breed) do 1869

587

603

 

 

 

do other farms 1867

1117

1159

 

 

 

 do 1868

1041

1257

 

 

 

 do 1869

993

1149

 

4346

4823

Payan Cheviots. 1862

481

494

Total

 

 

 " 63

505

494

Total

 

 

 " 64

523

511

 

 

 

 " 65

516

499

 

 

 

 " 66

506

502

 

 

 

 " 67

526

513

 

 

 

 " 68

545

536

 

 

 

 " 69

502

551

 

4104

4100

 

 

 

Total

8450

8923

Payan Black-faced 1862

449

477

 

 

 

                                    63

541

547

 

 

 

                                    64

536

553

 

 

 

                                    65

538

581

 

 

 

                                    66

562

617

 

 

 

                                    67

588

560

 

 

 

                                    68

581

578

 

 

 

                                    69

600

553

 

4395

4466

 

 

 

Total

 

 

Oliver Cheviots 1869

826

864

 

 

 

Russell 1869

124

112

 

 

 

R. Thompson 1867

171

147

 

 

 

                       1868

105

102

 

1226

1225

 

 

 

Total

25071

25614

 

 

 

 

4407

4558

25071

Grand Total—

 

29478

30,172

25614

 

 

 

 

 

50,685

 

 

 

 

 

8965

 

 

 

 

 

59,650 Grand Total

 

 

 

 

 

B57v

 

Bulls

Cows

 

R. Elliot 1869

4

11

 

Graham 1868

9

7

 

              1869

9

12

 

Cruickshanks 1868

60

68

generally more Bulls

        do           1867

60

54

 

R. Bruce —years 1864-69

33

32

 

Gibb 1869

5

11

 

         1868

8

8

 

         1867

8

9

 

 

197

211

 

197

477

505

 

211

 

 

 

408

 

 

 

574 (Cattle)

 

 

505

982 Births

 

 

477

 

 

 

982

B58

♂, female ♀

♀ 25,614 : ♂ 25,071 :: ♀ 100 : x 979

[calculations]

♀ 30172 : 29478 :: 100 : x 97.7

[calculations]

B58b

♀ 577 : ♂ 505 :: ♀ 100 : x

[calculations]

♀ 505 : ♂ 477 :: ♀ 100 : x

[calculations]

See Descent 1: 304-5.


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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 5 February, 2026