Natural Selection on Female Life-History Traits in Relation to Socio-Economic Class in Pre-Industrial Human Populations

• Jenni E. Pettay ,

  *To whom correspondence should be addressed. E-mail: jenni.pettay@utu.fi

  Affiliation Section of Ecology, Department of Biology, University of Turku, Turku, Finland

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• Samuli Helle,

  Affiliation Section of Ecology, Department of Biology, University of Turku, Turku, Finland

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• Jukka Jokela,

  Affiliations Eawag, Swiss Federal Institute of Aquatic Science and Technology, Dübendorf, Switzerland, Institute of Integrative Biology (IBZ), Swiss Federal Institute of Technology (ETH Zürich), Zürich, Switzerland

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• Virpi Lummaa

  Affiliation Department of Animal and Plant Sciences, University of Sheffield, Sheffield, United Kingdom

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