Crawford, Michael H.2015-06-012015-06-011979Crawford, Michael H. "Comments on Spielman's Article on Evolutionary Relationships: Guaymi and Yanomama." Current Anthropology 20 (1979): 384-85. Web.https://hdl.handle.net/1808/17929This is the published version. Copyright 1979 University of Chicago Press.There is no abstract available for this work.ArticleopenAccess