Cervus Eldi. Cervus mantchuricus. Cervus paludosus, colours of. Cervus strongyloceros. Cervus virginianus, horns of, in course of modification. Ceryle, male black-belted in some species of. Cetacea, nakedness of. Ceylon, frequent absence of beard in the natives of. Chaffinch, proportion of the sexes in the; courtship of the. Chaffinches, new mates found by.