strengthening intimacies, is an institution which might be called "the limited bachelors' house," and which, indeed, suggests at first sight the presence of a "group concubinage." It is clear that in order to enable pairs of lovers permanently to cohabit, some building is needed which will afford them seclusion. We have seen the makeshift arrangements of children and the more comfortable, but not yet permanent love-nests of adolescent boys and girls, and it is obvious that the lasting liaisons of youth and adult girls require some special institution, more definitely established, more physically comfortable, and at the same time having the approval of custom.
To meet this need, tribal custom and etiquette offer accommodation and privacy in the form of the bukumatula, the bachelors' and unmarried girls' house of which mention has already been made (see pls. 20 and 21). In this a limited number of couples, some two, three, or four, live for longer or shorter periods together in a temporary community. It also and incidentally offers shelter for younger couples if they want amorous privacy for an hour or two.
We must now give some more detailed attention to this institution, for it is extremely important and highly significant from many points of view. We must consider the position of the houses in the village, their internal arrangements and the manner in which life within the bukumatula shapes itself.
In the description of the typical village in the Trobriands (ch. i, sec. 2), attention was drawn to its schematic division into several parts. This division expresses cer-
