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Hornbill, African, inflation of the neck-wattle of the male during courtship. Hornbills, sexual difference in the colour of the eyes in; nidification and incubation of. Horne, C., on the rejection of a brightly-coloured locust by lizards and birds.
Buckland, F., on the numerical proportion of the sexes in rats; on the proportion of the sexes in the trout; on Chimaera monstrosa. Buckland, W., on the complexity of crinoids. Buckler, W., proportion of sexes of Lepidoptera reared by. Bucorax abyssinicus, inflation of the neck-wattle of the male during courtship. Budytes Raii. Buffalo, Cape. Buffalo, Indian, horns of the.
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