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For instance, I observe in my son's cabinet that the males are darker than the females in the Lasiocampa quercus, Odonestis potatoria, Hypogymna dispar, Dasychira pudibunda, and Cycnia mendica. In this latter species the difference in colour between the two sexes is strongly marked; and Mr.
Hymonoptera, large size of the cerebral ganglia in; classification of; sexual differences in the wings of; aculeate, relative size of the sexes of. Hymenopteron, parasitic, with a sedentary male. Hyomoschus aquaticus. Hyperythra, proportion of the sexes in. Hypogymna dispar, sexual difference of colour in. Hypopyra, coloration of. Ibex, male, falling on his horns; beard of the.
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