From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
19 July [1855]
Source of text:
DAR 114: 139
Summary:
Parcels sent to Down by coach may get lost.
Contributor:
Darwin Correspondence Project
Parcels sent to Down by coach may get lost.
Discusses how best to simulate the light at a particular point on the earth’s surface using coloured glass; considers sunlight as composed of three "principles", varying in proportion according to latitude, which affect germination, lignification, and floriation.
Congratulations to JL on finding musk-ox fossil.
No summary available.