RECORD: Darwin, C. R. n.d. Esch[sch]oltzia — General average of all measurements / Nicotiana. CUL-DAR76.B123-B125. (John van Wyhe ed., 2002-. The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Text prepared and edited by John van Wyhe. 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.


B123

Escholtzia — General average of all measurement


   Crossed

1st gen.

4

118 3/8

4

102 1/8

2

11

357 2/

11

361

1st B[illeg]

14

625

14

631 6/8

2d ― gen

18

780 7/8

19

955 6/8

 

47  47

1881 4/8

48

2050 5/8

 

1881.5 [÷] 47 [=] 40.03 4 places

 

2050.625000 [÷] 48 [=] 42.72 inches 4 places

 

 

crossed average height of th 27 Plants

 

self-fertilised average height

 

of

 

 

 

 



40.030000 [÷] 42.72    4 places

42.720000 [÷] 40.03 [=] 106.7 4 places    average of whole

Grand Result    cross100 : self-fertilised 107. for all plants measured

   (Work into text)

as well as general Table

B124v

Nicotiana—    General average

 

ast generation—

4

31 4/8

4

 

4

74

4

131

 

13

511 5/8

13

473 6/8

1 gen

4

74

4

131

2d gen

9

484 5/8

7

325 4/8

3d gen

7

666 6/8

7

557 2/

3d gen (other plan

7

495 4/8

9

641 6/

 

27

1720 7/8

27

1655 4/8

 

1720.87500 [÷] 27 [=] 63.73 4 places

 

1655.5000 [÷] 27 [=] 61.31 4 places

 

 

average height of th 27 crossed Plant

 

average height of the 27 self-fert

 

Plant.

 

 

 

 



61.31000 [÷] 63.73 [=] 962/02 3 places

Grand Total 27 crossed 100 : 27 self-fertile frt plants 96

Work into text & general Table

B125

Ipomaea

1st gen

6

516

6

394

2 gen

6

505

6

398

3d gen

6

464 4/8

6

317

4th gen

7

488 4/8

7

421

5 gen

6

495 2/8

6

374

6th gen

6  9

525

6  9

379

7th gen

9

755 4/8

9

614 2/8

8th gen

8

908 2/8

8

773 2/8

9th gen

14

1139 4/8

14

897

10th gen

5

468 4/8

5

252

   

73

6266

73

4819.5

 

average

35.84  35.83

average

66.02



66.020000 [÷] 8584 [=] 769 3 places

9
49

63    51    51


Return to homepage

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

File last updated 1 December, 2025