From:
Charles Robert Darwin
To:
John Lubbock, 4th baronet and 1st Baron Avebury
Date:
19 [July 1855]
Source of text:
DAR 263: 1 (EH 88206446)
Summary:
Congratulations to JL on finding musk-ox fossil.
Contributor:
Darwin Correspondence Project
Congratulations to JL on finding musk-ox fossil.
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.
Parcels sent to Down by coach may get lost.