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.
Guinea-pigs, inheritance of the effects of operations by.
Gulls, seasonal change of plumage in; white.
Gunther, Dr., on paddle of Ceradotus; on hermaphroditism in Serranus; on male fishes hatching ova in their mouths; on mistaking infertile female fishes for males; on the prehensile organs of male Plagiostomous fishes; spines and brushes on fishes; on the pugnacity of the male salmon and trout; on the relative size of the sexes in fishes; on sexual differences in fishes; on the genus Callionymus; on a protective resemblance of a pipe-fish; on the genus Solenostoma; on the coloration of frogs and toads; combat of Testudo elegans; on the sexual differences in the Ophidia; on differences of the sexes of lizards.
Gynanisa Isis, ocellated spots of.
Gypsies, uniformity of, in various parts of the world.