Some observations by EL on moths visiting flowers.
Some observations by EL on moths visiting flowers.
Thanks CD for comments [on Entstehung des Menschengeschlechts].
Comments on Goethe and Kant as early evolutionists.
Describes birth of his son. Mentions child’s "atavisms".
Observations on a Sphinx moth; attraction of dark spots.
Asks permission to dedicate to CD his book on the fossil animals and geology of Attica [Animaux fossiles et géologie de l’Attique (1862–7)]. CD will find much in it relating to the "filiation" of species, genera, and families.
No summary available.
Is grateful for his paper on musical scales. Comments on the characteristics of wind instruments. Some friends of his saw a brilliant meteor fall last Tuesday.
Has placed Mr. Frosmard's letter before the Geological Society, and also discussed the matter with R. I. Murchison, but regrets he is unable to help.
Discusses an observation concerning a blackbird and a hairy caterpillar.