)He assimilated races and social classes, considering that the French upper class was a representation of the "Homo europaeus", while the lower class represented the "Homo alpinus".Applying Galton's eugenics to his theory of races, Vacher de Lapouge's "selectionism" aimed first at achieving the annihilation of trade unionists, considered to be a "degenerate"; second, creating types of man each destined to one end, in order to prevent any contestation of labour conditions.