RECORD: Darwin, C. R. n.d. Nitrate of Ammonia (experimental observations). CUL-DAR60.1.34-35. (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).


34

Sept 7. 1O/ P.m. 2 gr to 1 oz of nitrate of ammonia — though drops run off certainly (Sept 8'. 11O. 40) seem to have produced some effect.— SE corner of leaf more inflected

Sept 8th. 10O A m

(1)

Nitrate of Ammonia    4 gr to 1 oz   

   Sept 9th.— 10O. 25' —(Sept 10'    9. 45'    same report

1 sp. consid. effect    a few long-headed inflected & some marginal round-headed; hairs well crowded together    2O. 30'    same remark 2O. 30' same state.

2 sp. — Sept 9. 10O 25 leaf withered & dead in consequence

2 spc : Sept 9th 10. 25' considerable effect a good many hairs inflected; but then (illegible words) 1  2 leaf

   Sept 10th.    10O A.m.    Leaf half withered & dead

35

(1

Sept 9th    3O. P.m.

Nitrate of Ammonia    4 gr. to 1 oz

Sept 10'    5O P.m      

1 sp    leaf shrivelled up.    (not contracted

2 sp.    leaf do

3 sp.    leaf do. — not so much killed } no contraction — } too strong ?

(right-hand side)

480 [x] 4 [=] 1920

480 [x] 2 [=] 960 my drops. [÷] 4 [=] 240 [÷] 4 [=] 60

over


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

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