Showing 1–6 of 6 items
Has read Origin with pleasure.
Has performed many experiments which confirm his opinion that primrose, oxlip, and cowslip are three distinct species.
Answers CD’s questions about his experiments with primroses, cowslips, and oxlips. HD is aware experiments must often be repeated many times. Has never met with the oxlip except where primrose and cowslip grow together.
Proportion of sexes in Lepidoptera.
Sexual preference.
Role of coloration [see Descent 1: 311–12].
On the proportion of sexes in moths; Lepidoptera females command higher prices; quotes Staudinger’s catalogue [see Descent 1: 311–12].
Ticking of Anobium tessellatum [see Descent 1: 385].
Otto Staudinger’s catalogue shows prices of female Lepidoptera to be higher than those of males.
On proportion of sexes;
coloration of sexes in Lepidoptera.
Sexual attraction of female Saturnia carpini.
