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Updated: June 13, 2025
Agassiz, L., on conscience in dogs; on the coincidence of the races of man with zoological provinces; on the number of species of man; on the courtship of the land-snails; on the brightness of the colours of male fishes during the breeding season; on the frontal protuberance of the males of Geophagus and Cichla; male fishes hatching ova in their mouths; sexual differences in colour of chromids; on the slight sexual differences of the South Americans; on the tattooing of the Amazonian Indians.
Cichla, frontal protuberance of male. Cimetiere du Sud, Paris. Cincloramphus cruralis, large size of male. Cinclus aquaticus. Cingalese, Chinese opinion of the appearance of the. Cirripedes, complemental males of. Civilisation, effects of, upon natural selection; influence of, in the competition of nations. Clanging of geese, etc. Claparede, E., on natural selection applied to man.
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