Has put question of proportion of sexes in insects to the Entomological Society. Quotes H. T. Stainton and F. Smith. Cites some cases mentioned by other members.
Is reading Variation; does not quite understand Pangenesis.
Has put question of proportion of sexes in insects to the Entomological Society. Quotes H. T. Stainton and F. Smith. Cites some cases mentioned by other members.
Is reading Variation; does not quite understand Pangenesis.
Proportion of sexes in spiders; coloration.
Discusses the flowers of, and cross- and self-fertilisation in, certain aquatic plants. Gives cases of dichogamy and perfect self-fertility.
No summary available.
Asks for information on coloration and proportions of sexes in butterflies and moths for his work on sexual selection.
Wants to know how the colour of the eye of the peacock’s tail is produced, whether it depends upon colouring matter in the feathers or reflection, and whether any varying structural change will account for the series of colours surrounding it.
CD thanks BJS for photographs of Jemmy [Button]’s son
and for the curious case about stallions, which leads him to ask whether BJS has observed that horses when fighting try especially to bite each other’s necks.
Does he know anything about male seals fighting?