of male and female births in.
Grouse, red, monogamous; pugnacity of young male; producing a sound by
beating their wings together; duration of courtship of; colours and
nidification of.
Gruber, Dr., on the occurrence of the supra-condyloid foramen in the
humerus of man; on division of malar bone; stridulation of locust; on
ephippiger.
Grus americanus, age of mature plumage in; breeding in immature
plumage.
Grus virgo, trachea of.
Gryllus campestris, pugnacity of male.
Gryllus domesticus.
Grypus, sexual differences in the beak in.
Guanacoes, battles of; canine teeth of.
Guanas, strife for women among the; polyandry among the.
Guanche skeletons, occurrence of the supra-condyloid foramen in the
humerus of.
Guaranys, proportion of men and women among; colour of new-born
children of the; beards of the.
Guenee, A., on the sexes of Hyperythra.
Guilding, L., on the stridulation of the Locustidae.
Guillemot, variety of the.
Guinea, sheep of, with males only horned.
Guinea-fowl, monogamous; occasional polygamy of the; markings of the.
721