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The American anthropologists who have been linguistic scholars as well—I would mention Boas, Sapir, and, last but not least, Alfred L. Kroeber, whom we delight to honor in this issue of Language—have been catholic in their approaches to linguistics. Descriptive linguistics on this continent owes a tremendous amount to these men. But none of them has ignored historical problems, and in their various ways and even with radically different points of view on subjects which were open to dispute, they have contributed much to both detailed genetic problems, especially of the North American continent, and to the discussion of certain general questions. One of the latter is a problem that arises again and again in any region of the world where the linguistic picture is complicated, and it is particularly fitting, as will appear, if I attempt to add something to it as an offering to Kroeber.
M. B. Emeneau (Thu,) studied this question.