Abstract
This article with commentaries is presented experimentally in response to suggestions made to the editor by representatives of the LARR Board at the Ithaca meetings that topical articles of the type developed in Current Anthropology be solicited for the Review. The Current Anthropology (*) treatment consists of commissioning a specific article on a theme of moment, then circulating it prior to publication among a group of experts for commentary and publishing both together with a rebuttal by the author. Time did not permit a complete imitation of the process, but with the kind cooperation of the author and his sponsoring organization we have obtained permission to circulate in advance an article of interdisciplinary import which has appeared only recently in Spanish and printed the reactions of a selected group of experts in distinct disciplines. Neither did time allow the author his rebuttal in this issue, but we shall reserve space in Number 3 should he care to make use of it.

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