title: Erratum.
abstract: In the article by Don E. Dumond, "The archeology of Alaska and the peopling of America" (29 Aug., p. 984), the scale bar in Fig. 4 on p. 987 is more than twice as long as it should be to represent 1 centimeter. The artifact in part a, for example, has a maximum width of about 3.5 centimeters.