RECORD: Darwin, C. R. n.d. Muriate of Ammonia / Nitrate of Potash. CUL-DAR60.1.40. (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. The volumes CUL-DAR 54-61 contain material for Darwin's book Insectivorous plants (1875).
40
Sept 7th. 12. 50. Nitrate Muriate of Ammonia 4 gr to 1 oz Oldest Basin
8th. 11O. 35' a few marginal hairs inflected but not much effect
Sept 10th. 10O. 40 Muriate of Ammonia. (4 gr to 1 oz ?)
Sept 11. 5. 40. 1 spec. no effect
2 spec'. no effect milk put on 11th at 11' 10 10'; now 5O 40' no effect form milk X
X
Sept 7th. 12O 50. Nitrate of Potash
Sept 8. 11. 35. leaf shrivelled but then plant monstrous (Try again)
Sept. 10'. 10O. 45'. Nitrate of Potash 4 gr. to 1 oz
1 spc le
Sept 11. 10O A m.
1' specn. leaf shrivelled no contraction
2. spec. no decided. effect. no contraction
3. spec leaf somewhat shrivelled no contraction
(11th 10O put on milk) at. 5O. 40' no very decided effect.— Sept 12. 9. 45' some decided effect but not much X—) leaf probably somewhat injured. (full measure)
Muriate of Ammonia
Sept 10th 10O 40
― 11. 10. A.m.
1 spec. no contraction (11th. 10O Milk) Sept 12th. 9. 45' → very many hairs Strongly inflected, not many however of long-headed.
X 2 spec no contraction Sept 12. 9. 45 no contraction, & leaf not injured;
Sept 12th. 9.. 45' Albumen put on. — 5O. 30' Strong inflection.
Muriate of Ammonia Sept 12 10. 25. 2 gr to 2 oz
Sept 13th. 9 10. 45
1. spec. (a few hairs marginal inflected, but I think form touching card
X 4O 45' no more inflected — Sept 14th. 5O P.m. now much inflected but look injured thrown away
2d spec. no effect. — 4O. 45' now quit shrivelled (thrown away)
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 1 December, 2025