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.
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.
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".
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.
Observations on a Sphinx moth; attraction of dark spots.
No summary available.
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.
Some observations by EL on moths visiting flowers.