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The article comments on the paper "Cultigens in prehistoric Eastern North America: Changing paradigms," by Thomas J. Riley, Richard Edging and Jack Rossen in a 1990 issue of "Current Anthropology." It is pointed out that carbon-14 and thermoluminescence dates suggest that the initial Neolithic migrants must have entered the West Indies by 500 BC.

A clear deficit in the theoretical and methodological development of archaeological research exists with regard to migration; attributing archaeological distribution patterns to migration as opposed to diffusion or trade is still a major problem. This article uses the example of North American colonization to develop an approach that distinguishes the changes brought about by migration from those produced by other forms of cultural transfer. Because methods for gathering evidence do not sufficiently explore migration processes in their complexity, a model based on the study of historic and modern migrations is developed, and its practicability is demonstrated using the example of Anglo-Saxon migration. [ABSTRACT FROM AUTHOR]