GEMMULES, or cell-gemmules.
GENERATION, alternate.
GENERATION, sexual.
GENET, fertility of the, in captivity,
GENIUS, inheritance of.
Gentiana amarella.
GEOFFROY SAINT-HILAIRE, production of monstrous chickens, -"Loi de l'affinite de soi pour soi." -compensation of growth.
GEOFFROY SAINT-HILAIRE, ISID., origin of the dog. -barking of a jackal. -period of gestation and odour of the jackal. -anomalies in the teeth of dogs. -variations in the proportions of dogs. -webbed feet of Newfoundland dogs. -crossing of domestic and wild cats. -domestication of the arni. -supposed introduction of cattle into Europe from the East. -absence of interdigital pits in sheep. -origin of the goat. -feral geese. -ancient history of the fowl. -skull of the Polish fowl. -preference of the Romans for the liver of white geese. -polydactylism. -assumption of male characters by female bird. -transmission and blending of characters in hybrids. -refusal of animals to breed in captivity. -on the Guinea-pig. -silkworms producing white cocoons. -on the carp. -on Helix lactea. -on monstrosities. -injury to the embryo a cause of monstrosity. -alteration in the coat of horses in coal-mines. -length of the intestines in wild and tame animals. -inheritance of rudimentary limbs in the dog. -correlation in monstrosities. -supernumerary digits in man. -co-existence of anomalies. -presence of hairs and teeth in ovarian tumours. -development of teeth on the palate in the horse.
GEOGRAPHICAL differences of faunas.
GEOLOGICAL succession of organisms.