Gegenbaur, C., on the number of digits in the Ichthyopterygia; on the
hermaphroditism of the remote progenitors of the vertebrata; two types
of nipple in mammals.
Gelasimus, proportions of the sexes in a species of; use of the
enlarged chelae of the male; pugnacity of males of; rational actions of
a; difference of colour in the sexes of a species of.
Gemmules, dormant in one sex.
Genius, hereditary.
Genius, fertility of men and women of.
Geoffroy St.-Hilaire, Isid., on the recognition of women by male
quadrumana; on monstrosities; coincidences of arrested development with
polydactylism; on animal-like anomalies in the human structure; on the
correlation of monstrosities; on the distribution of hair in man and
monkeys; on the caudal vertebrae of monkeys; on correlated variability;
on the classification of man; on the long hair on the heads of species
of Semnopithecus; on the hair in monkeys; on the development of horns
in female deer; and F. Cuvier, on the mandrill; on Hylobates.
Geographical distribution, as evidence of specific distinctions in man.
Geometrae, brightly coloured beneath.
Geophagus, frontal protuberance of, male; eggs hatched by the male, in
the mouth or branchial cavity.
Georgia, change of colour in Germans settled in.
Geotrupes, stridulation of.
Gerbe, M., on the nest-building of Crenilabus massa and C. Melops.
Gerland, Dr., on the prevalence of infanticide; on the extinction of
races.
Gervais, P., on the hairiness of the gorilla; on the mandrill.
716