Jh. Moore et Me. Moseley, How many frogs does it take to leap around the Americas? Comments on Anderson and Gillam, AM ANTIQUIT, 66(3), 2001, pp. 526-529
In modeling the colonization of the Americas, Anderson and Gillian (2000) e
mploy size estimates for vanguard forager bands that are dubious, reproduct
ive viability in light of human incest prohibitions and variable sex,ratios
or birth.