On ocelli.
Sexual differences and proportion of sexes in butterflies.
Coleoptera.
[See Descent 1: 310; 2: 132.]
Showing 21–29 of 29 items
On ocelli.
Sexual differences and proportion of sexes in butterflies.
Coleoptera.
[See Descent 1: 310; 2: 132.]
Variations in the ocelli of Lepidoptera.
Encloses six pages from his catalogue of S. African butterflies [Rhopalocera Africae australis, 2 pts (1862, 1866)].
Sends prospectus of forthcoming work by his brother [Henry Trimen] and W. T. Thiselton-Dyer [Flora of Middlesex (1869)]. Hopes CD will subscribe.
Proportion of sexes in butterflies; discussion of subject at meeting of Entomological Society, London.
Attraction of males by female Lasiocampa quercus. [see Descent 1: 311–12.]
On attraction of males by females in moths. H. T. Stainton mentions a case.
Coloration in moths.
Quotes Achille Guénée on relative proportion of sexes in Phalaenites.
Approves CD’s revision on coloration of moths.
Impressed with apparent adverse tendencies: one toward sexual selection, the other toward protection.
Extract from Émile Blanchard’s Metamorphoses, moeurs et instincts des insectes [1868], on attraction of males by female Lepidoptera, and possible explanation.
Thanks CD for his orchid paper ["Fertilization of orchids", Collected papers 2: 138–56]. Comments briefly on orchids.
Discusses moths in which the wing underside is the most brightly coloured, and relates his observations on sexual selection by a moth, Syntomis.