From:
Ernst Hugo Heinrich (Ernst) Pfitzer
To:
Charles Robert Darwin
Date:
19 June 1871
Source of text:
DAR 174: 41
Summary:
Sends publication [unspecified].
Notes adaptive mechanism in epiphytes.
Contributor:
Darwin Correspondence Project
Showing 1–2 of 2 items
Sends publication [unspecified].
Notes adaptive mechanism in epiphytes.
Observations on orchids. Ophrys apifera; confirms CD’s observation on pollinia. The nesting of ducks in trees is an example of change of instinct and habit.