From:
Charles Robert Darwin
To:
Johann Friedrich Theodor (Fritz) Müller
Date:
13 Nov 1877
Source of text:
The British Library (Loan MS 10 no 43)
Summary:
Asks for Cassia seed for experiments.
Contributor:
Darwin Correspondence Project
Showing 1–2 of 2 items
Asks for Cassia seed for experiments.
Sends proboscis of a Sphinx-moth that is 22 cms long.
Discusses eleven species of butterfly which visit Lantana, a plant which blooms only for three days and whose flowers are yellow on the first day, orange on the second, and purple on the third. Most species only visit the flowers when they are yellow.
Describes and draws the odiferous organs of a Sphinx-moth.
Describes a secondary sexual character of several species of Callidryas and other Pierinæ: the costal margin of the anterior wing is sharply serrated in the males, while it is smooth in the females.