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Updated: November 9, 2024
Age, in relation to the transmission of characters in birds; variation in accordance with, in birds. Agelaeus phoeniceus. Ageronia feronia, noise produced by. Agrion, dimorphism in. Agrion Ramburii, sexes of. Agrionidae, difference in the sexes of. Agrotis exclamationis. Ague, tertian, dog suffering from. Ainos, hairiness of the. Aitchison, Mr., on sheep. Aithurus polytmus, young of.
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.
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