Curlews, double moult in.
Cursores, comparative absence of sexual differences among the.
Curtis, J., on the proportion of the sexes in Athalia.
Cuvier, F., on the recognition of women by male quadrumana.
Cuvier, G., on the number of caudal vertebrae in the mandrill; on
instinct and intelligence; views of, as to the position of man; on the
position of the seals; on Hectocotyle.
Cyanalcyon, sexual difference in colours of; immature plumage of.
Cyanecula suecica, sexual differences of.
Cychrus, sounds produced by.
Cycnia mendica, sexual difference of, in colour.
Cygnus ferus, trachea of.
Cygnus immutabilis.
Cygnus olor, white young of.
Cyllo Leda, instability of the ocellated spots of.
Cynanthus, variation in the genus.
Cynipidae, proportion of the sexes in.
Cynocephalus, difference of the young from the adult; male, recognition
of women by; polygamous habits of species of.
Cynocephalus babouin.
Cynocephalus chacma.
Cynocephalus gelada.
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