RECORD: Darwin, C. R. n.y.03.09-16. Cyclamen persicum / Proof sheet of Cross and self fertilisation. CUL-DAR209.4.148. (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 9.2022. 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-DAR209.4 contains materials for Darwin's book Movement in plants (1880).
[148]
Cyclamen Persicum, seedling .55 high. nearly upright blade of 1 Cot. not quite fully expanded [sketch]
March 9th.
8° 10' a.m . observed on Hor. glass in darkness.
8° 40 from light & to right
9. 22 to left & gone back to light
10. 25 from light
11. 23 a little from light & to left
11 43 nearly same spot
11 45 new dot more magnified
12 9 from light & to right
12. 50' to right left & little from light
2° to light & with more than 2 ⨀ in 24 1/2 H. left
2 ⨀ in 24° 3 gone back from light
4° same course short distance
5. 5 I think, to light
5° 10 new dot — (merely slided glass)
6. 5 to light far
7. 18 a little to right
8° 30 same course
10. 30 to right
10th 6° 55' Distance 7.5 inches
8° a.m from light
8. 53 to light
.15 more to Bead
7.5 [÷] 1.5 [=] 50 magnified
[148v]
1st proof
Slips 13-16
[Proof sheet of Cross and self fertilisation, p. 25.]
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 20 December, 2025