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The humerus and femur of the fossil hominid OH 62 are badly damaged and their lengths are not directly measurable (Johanson et al., 1987). Nevertheless, using relatively intact reference materials from another early hominid, AL 288-1, Johanson et al. (1987) reconstructed the bones to estimate the humerofemoral index, which falls well above the range for… (More)
Several techniques for using skin colorimetric data to measure admixture contributions to a hybrid population have been reviewed by Lees and Relethford ('78), who find this general approach to be useful. This paper extends their evaluation, providing a method for obtaining an error term and considering at greater length certain potential sources of estimate… (More)
For reporting the incidence of bilateral skeletal traits, the choice between sampling statistics depends upon more than their relative efficiencies. Of overreaching importance are the fundamentally different assumptions about the genetic significance of bilateral asymmetry represented by the two principal sampling approaches. Sampling by side is consistent… (More)
A previous application to a Cherokee hybrid population of two methods for measuring admixture proportions by use of gene identity probabilities was examined. The results suggest that neither procedure has been correctly applied, and that underlying statistical difficulties limit their reliability.