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active defensive process described above, two different sources of data provide some indirect evidence for such a process. This evidence is admittedly very weak, and it is hoped that subsequent studies will allow a more exact specification of the mechanisms involved.

The variance of the number of mutual dyads in a sociometric situation where each member of a group chooses independently and at random is derived for unrestricted numbers of choices per group member, as well as for a fixed number of choices. The distribution of the number of mutuals is considered.

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type of balance in Hopi traditional design expresses structurally at the esthetic level what the organic, correlative balance [between men and women] in Hopi social organization expresses structurally a t the behavioral leveL"38Or another italicized observation of the author: "Euman cultures manifest a distinctively human integrating dynamic."39 I t would seem, despite all the work that has been done on the Hopi by scientific investigators, that it was not until this approach "was applied that an adequate theory of its inner coherence emerged. Once formulated and applied, this theory provided a key which gave overall meaning and integration to the previous studies."4oIt is not the argument of this paper that anthropology must depend upon a "traditional approach"-whatever that may be; nor that experimentation with new methods and techniques for arriving a t better understandings of culture origin and process is to be shunned simply because they are new. Each of the sciences must, of course, be continually critical of its methods and assumptions, continually searching for improved ways of working and understanding the subject of its concern if it is to remain viable and productive. We need not be bound by tradition in anthropology any more than any other discipline need be so bound. But the work of many of the "popular" anthropologists violates tradition less than it violates careful scholarship and the scientific method. This is the complaint of many of the %on-popular" anthropologists of today.