RECORD: Darwin, C. R. n.d. Urine / Saliva / Carbonate of ammonia. CUL-DAR59.1.103. (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).
103
Sept 8th 2O. 45. Urine two leaves : at 6O P.m hardly closed in
Sept 9. 9. 50 (17 hours) Every hair well closed in, but leaf itself not well inflected
Saliva (do hours)
Sept 9th. 9.. 50' all marginal round-headed hairs (but not— long-headed) well closed in — undoubted great effect
Sept 9th. 11. A.m. Carb. of Ammonia 2 gr to 1 oz (ie Strong)
12' decided effect on 2 of the 3 leaves. —
1O considerable effect
2O. 30' no such great effect (old leaves) (over
5. 30 no great effect, but yet clearly some effect
Sept 10th 10O A.m.— very little effect produced Is it cold weather.
Sept 11' leaves all open again — Albumen put on leaf produced no effect
Sept 9. "11. 5O tried 3 young leaves 2. gr to 1 oz no effect
103v
September 11th. 10O A m. Carbonate Am. 1 gr to 1 oz
At 5O Pm. (ie 6 hours) one young leaf was Strongly laterally inflected, but not hairs much — another young but fine, but no so young leaf not at all affected — I think late season has begun to tell. Put albumen on leaf which was not affected at.Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
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