Search: 1860-1869::1869::01::23 in date 
Darwin, C. R. in addressee 
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From:
William Kencely Bridgman
To:
Charles Robert Darwin
Date:
23 Jan 1869
Source of text:
DAR 160: 307
Summary:

Is assembling apparatus of lenses and reflector to observe flower from opening to first shedding of pollen, and to determine whether fertilisation is by night- or day-feeders.

Will also examine reasons for absence of nectar in Polygala linaria.

Contributor:
Darwin Correspondence Project
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From:
Thomas Campbell Eyton
To:
Charles Robert Darwin
Date:
[before 23 Jan 1869]
Source of text:
DAR 163: 42
Summary:

Is trying to determine conditions governing whether or not a salmon will rise for a fly.

Contributor:
Darwin Correspondence Project