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Crossing of races, effects of the. Crossoptilon auritum, adornment of both sexes of; sexes alike in. Crotch, G.R., on the stridulation of beetles; on the stridulation of Heliopathes; on the stridulation of Acalles; habit of female deer at breeding time. Crow, Indians, long hair of the. Crow, young of the. Crows, vocal organs of the; living in triplets. Crows, carrion, new mates found by.
Abductor of the fifth metatarsal, presence of, in man. Abercrombie, Dr., on disease of the brain affecting speech. Abipones, marriage customs of the. Abortion, prevalence of the practice of. Abou-Simbel, caves of. Abramis brama. Abstraction, power of, in animals. Acalles, stridulation of. Acanthodactylus capensis, sexual differences of colour in. Accentor Modularis.
Wolff, on the variability of the viscera in man. Wollaston, T.V., on Eurygnathus; on musical Curculionidae; on the stridulation of Acalles. Wolves, learning to bark from dogs; hunting in packs. Wolves, black. Wombat, black varieties of the.
The great Chiasognathus stridulates in anger or defiance; many species do the same from distress or fear, if held so that they cannot escape; by striking the hollow stems of trees in the Canary Islands, Messrs. Wollaston and Crotch were able to discover the presence of beetles belonging to the genus Acalles by their stridulation.
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