“…On the other hand, for a mentalistic explanation so far there are only enticing hints from Lizot [1977, p 515;1994a, p 214]. For a brief review of theoretical explanations see Bodley [1994, pp 64-68], and for more extended discussions see Albert [1989Albert [ , 1990, Beckerman [1979Beckerman [ , 1994, Bower [1991], Chagnon [1980Chagnon [ , 1989cChagnon [ , 1990bChagnon [ , 1995Chagnon [ , 1996aChagnon [ , 1996b, Hames [1979, 1980], Crocker [1969], Durham [1976], Ferguson [1989aFerguson [ , 1989bFerguson [ , 1989cFerguson [ , 1990, Good [1987Good [ , 1995b, Gross [1975Gross [ , 1982, Hames [1980Hames [ , 1989, Harris [1984aHarris [ , 1984b, Lizot [1977Lizot [ , 1994a, Otterbein [1994aOtterbein [ , 1994b, J.B. Ross [1980], Ross and Ross [1980], Sponsel [1983Sponsel [ , 1986, and Vayda [1989].…”