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From Samuel Newington   30 August 1875

Summary

Reports a competition between the air roots of two varieties of grapevines. The victor changed the flavour and shape of the loser’s fruit.

Author:  Samuel Newington
Addressee:  Charles Robert Darwin
Date:  30 Aug 1875
Classmark:  DAR 172: 34
Letter no:  DCP-LETT-10140

To Samuel Newington   1 September [1875]

Summary

Cannot believe in possibility that the duck is a hybrid, but correlation accords with some other facts.

Requests specimens of berries and more information about the Madresfield Court vine.

Author:  Charles Robert Darwin
Addressee:  Samuel Newington
Date:  1 Sept [1875]
Classmark:  Cleveland Health Sciences Library (Robert M. Stecher collection)
Letter no:  DCP-LETT-10143

From Samuel Newington   2 September 1875

Summary

Tells CD of his many experiments on interarching vines, potato tubers, exudation of carbon dioxide from roots,

and the synchrony of the pulse and the step while walking.

Would like to meet CD.

Author:  Samuel Newington
Addressee:  Charles Robert Darwin
Date:  2 Sept 1875
Classmark:  DAR 172: 35
Letter no:  DCP-LETT-10148

To Samuel Newington   17 September 1875

Summary

Thanks SN for his explanation of vines.

Discusses SN’s observation on roots secreting carbonic acid.

Author:  Charles Robert Darwin
Addressee:  Samuel Newington
Date:  17 Sept 1875
Classmark:  American Philosophical Society (475)
Letter no:  DCP-LETT-10159

From Samuel Newington   10 December 1875

Summary

Reports on various observations and experiments: a duck–fowl hybrid with queer habits,

three cases of man–dog hybrids,

his interarching vine experiments,

and orange scale.

Author:  Samuel Newington
Addressee:  Charles Robert Darwin
Date:  10 Dec 1875
Classmark:  DAR 172: 36
Letter no:  DCP-LETT-10294

From Samuel Newington   23 November 1880

Summary

He has proved that heat is generated by the exudation of oxygen from roots, and that there is continuous electrical action from leaves to roots.

Author:  Samuel Newington
Addressee:  Charles Robert Darwin
Date:  23 Nov 1880
Classmark:  DAR 172: 37
Letter no:  DCP-LETT-12846
Document type
letter (6)
Correspondent
Date
1875 (5)
1880 (1)
letter