Cannot answer questions on origin of instinct, sociology, etc. Suggests references in Origin and Descent.
Cannot answer questions on origin of instinct, sociology, etc. Suggests references in Origin and Descent.
Discusses case of colour display in butterfly.
Discusses arrangements for a French translation of Erasmus Darwin (1879).
Wants cryptogam identified; has been observing its movements.
Has Torbitt any further results? THF has forgotten what he had proposed to do.
This autumn several observers have noted Plusia moths caught in the flowers of Physianthus albens. Also bees attack and devour the trapped moths.
Asks for reference to article on butterfly [see CD’s "Sexual colours of certain butterflies", Collected papers 2: 220–2].
Discusses financial and other arrangements for marriage of Horace Darwin and Ida Farrer. Mentions anticipated inheritance of children.
Terminology for asexual gemmae of Lunularia vulgaris and comparison with Marchantia.