In Algeria it is still found among the Kabyles. Even in America it is said to have existed. It is supposed to be identical with the "Calpullis" described by Zurita in ancient Mexico. In Peru, however, Cunow (Ausland, 1890, No. 42-44) has demonstrated rather clearly that at the time of the conquest a sort of a constitution in marks (called curiously enough marca), with a periodical allotment of arable soil, and consequently individual tillage, was in existence. At any rate, the patriarchal household community with collective tillage and ownership of land now assumes an entirely different meaning than heretofore. We can no longer doubt that it played an important role among the civilized and some other nations of the old world in the transition from the maternal to the single family. Later on we shall return to Kovaleski's further conclusion that it was also the stage of transition from which developed the village or mark community with individual tillage and first periodical, then permanent allotment of arable and pasture lands. In regard to the family life within these household communities it must be remarked that at least in Russia the master of the house has the reputation of strongly abusing his position against the younger women of the community, especially his daughters-in-law, and of transforming them into a harem for himself. Russian popular songs are very eloquent on this point. Before taking up monogamy, which rapidly developed after the downfall of maternal law, let me say a few words about polygamy and polyandry. Both forms of the family can only be exceptions, historical products of luxury so to speak, unless they could be found side by side in the same country, which is apparently not the case. As the men excluded from polygamy cannot find consolation in the women left over by polyandry, the number of men and women being hitherto approximately equal without regard to social institutions, it becomes of itself impossible to confer on any one of these two forms the distinction of general preference. Indeed, the polygamy of one man was evidently the product of slavery, confined to certain exceptional positions. In the Semitic patriarchal family, only the patriarch himself, or at best a few of his sons, practice polygamy, the others must be satisfied with one wife. This is the case to-day in the whole Orient. Polygamy is a privilege of the wealthy and distinguished, and is mainly realized by purchase of female slaves. The mass of the people live in monogamy. Polyandry in India and Thibet is likewise an exception. Its surely not uninteresting origin from group marriage requires still closer investigation. In its practice it seems, by the way, much more tolerant than the jealous Harem establishment of the Mohammedans. At least among the Nairs of India, three, four or more men have indeed one woman in common; but every one of them may have a second woman in common with three or more other men; and in the same way a third, fourth, etc.