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From:
Herbert Spencer
To:
Sir John Herschel
Date:
[28 January 1863]
Source of text:
RS:HS 16.492
Summary:

Thanks JH for sending HS a copy of JH's dialogue ['On Atoms']. Comments on it.

Contributor:
John Herschel Project
From:
Thomas Francis Jamieson
To:
Charles Robert Darwin
Date:
28 Jan 1863
Source of text:
DAR 168: 45
Summary:

Grateful for CD’s commendation of his Glen Roy paper ["Parallel roads of Glen Roy", Q. J. Geol. Soc. Lond. 19 (1863): 235–59].

Reading Justus Liebig [trans. William Gregory, Animal chemistry or organic chemistry (1842)] has suggested that pattern of evolutionary succession might depend on differential need for soil minerals.

Contributor:
Darwin Correspondence Project