Praises the Origin: a "splendid case of close reasoning".
Objects to CD’s having ignored Lamarck and Geoffroy Saint-Hilaire.
Thinks CD should omit mentioning problem of explaining the eye at the beginning of chapter 14. Suggests rewording several passages.
Thinks want of peculiar birds in Madeira a difficulty, considering presence of them in Galapagos.
Has always felt that the case of man and his races is one and the same with animals and plants.