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Updated: May 23, 2025
Copris Isidis, sexual differences of. Copris lunaris, stridulation of. Corals, bright colours of. Coral-snakes. Cordylus, sexual difference of colour in a species of. Corfu, habits of the Chaffinch in. Cornelius, on the proportions of the sexes in Lucanus Cervus. Corpora Wolffiana, agreement of, with the kidneys of fishes. Correlated variation.
Wallace on the limitation of, by the influence of the mental faculties in man; influence of, in the progress of the United States; in relation to sex. Natural and sexual selection contrasted. Naulette, jaw from, large size of the canines in. Neanderthal skull, capacity of the. Neck, proportion of, in soldiers and sailors. Necrophorus, stridulation of. Nectarinia, young of.
Carcineutes, sexual difference of colour in. Carcinus moenas. Cardinalis virginianus. Carduelis elegans, sexual differences of the beak in. Carnivora, marine, polygamous habits of; sexual differences in the colours of. Carp, numerical proportion of the sexes in the. Carr, R., on the peewit. Carrier pigeon, late development of the wattle in the. Carrion beetles, stridulation of.
Hoffberg, on the horns of the reindeer; on sexual preferences shewn by reindeer. Hoffman, Prof., protective colours; fighting of frogs. Hog, wart-; river-. Hog-deer. Holland, Sir H., on the effects of new diseases. Homologous structures, correlated variation of. Homoptera, stridulation of the, and Orthoptera, discussed. Honduras, Quiscalus major in.
Blethisa multipunctata, stridulation of. Bloch, on the proportions of the sexes in fishes. Blood, arterial, red colour of. Blood pheasant, number of spurs in. Blow-fly, sounds made by. Bluebreast, red-throated, sexual differences of the. Blumenbach, on Man; on the large size of the nasal cavities in American aborigines; on the position of man; on the number of species of man.
Stendhal, see Bombet. Stenobothrus pratorum, stridulation. Stephen, Mr. L., on the difference in the minds of men and animals; on general concepts in animals; distinction between material and formal morality. Sterility, general, of sole daughters; when crossed, a distinctive character of species; under changed conditions. Sterna, seasonal change of plumage in.
Phacochoerus aethiopicus, tusks and pads of. Phalanger, Vulpine, black varieties of the. Phalaropus fulicarius. Phalaropus hyperboreus. Phanaeus. Phanaeus carnifex, variation of the horns of the male. Phanaeus faunus, sexual differences of. Phanaeus lancifer. Phaseolarctus cinereus, taste for rum and tobacco. Phasgonura viridissima, stridulation of. Phasianus Soemmerringii. Phasianus versicolor.
Insects, relative size of the cerebral ganglia in; male, appearance of, before the females; pursuit of female, by the males; period of development of sexual characters in; secondary sexual characters of; kept in cages; stridulation. Insessores, vocal organs of. Instep, depth of, in soldiers and sailors. Instinct and intelligence. Instinct, migratory, vanquishing the maternal.
The First Brigade could not see the infantry, swept now from the Mathews Hill and engaged about the turnpike and the stream. By stretching necks it saw a roof of smoke, dun-coloured, hiding pandemonium. Beneath that deeper thunder of the guns, the crackling, unintermittent sound of musketry affected the ear like the stridulation of giant insects.
Cheiroptera, absence of secondary sexual characters in. Chelae of crustacea. Chelonia, sexual differences in. Chenalopex aegyuptiacus, wing-knobs of. Chera progne. Chest, proportions of, in soldiers and sailors; large, of the Quechua and Aymara Indians. Chevrotains, canine teeth of. Chiasognathus, stridulation of. Chiasognathus Grantii, mandibles of.
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