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Updated: May 7, 2025
Libellulidae, relative size of the sexes of; difference in the sexes of. Lice of domestic animals and man. Licentiousness a check upon population; prevalence of, among savages. Lichtenstein, on Chera progne. Life, inheritance at corresponding periods of. Light, effects on complexion; influence of, upon the colours of shells. Lilford, Lord, the ruff attracted by bright objects. Limosa lapponica.
The Libellulidae, or dragon-flies, are ornamented with splendid green, blue, yellow, and vermilion metallic tints; and the sexes often differ. Thus, as Prof. But in Agrion Ramburii these colours are exactly reversed in the two sexes. Walsh, ibid. p. 381. In Anax junius the basal part of the abdomen in the male is a vivid ultramarine blue, and in the female grass-green.
Although there is so wide a difference in colour between the sexes of many Libellulidae, it is often difficult to say which is the more brilliant; and the ordinary coloration of the two sexes is reversed, as we have just seen, in one species of Agrion. It is not probable that their colours in any case have been gained as a protection. Mr.
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