The Ache, whose life history the authors recounts, are a small indigenous population of hunters and gatherers living in the neotropical rainforest of eastern Paraguay. This is part exemplary ethnography of the Ache and in larger part uses this population to make a signal contribution to human evolutionary ecology.

Kim Hill, A.Magdalena Hurtado

1: Life History and Demography; 2: The Ache; 3: Study Population and Sampling Methods; 4: Age and Sex Structure of the Study Population; 5: Causes of Mortality; 6: Rates of Mortality; 7: Development, Marriage, and Other Life Course Events; 8: Female Fertility; 9: Male Fertility; 10: Resource Availability, Intrinsic Variation, and Life Cycle Constraints; 11: Body Size and the Timing of Sexual Maturity; 12: Life History Trade-offs and Phenotypic Correlations; 13: Kin Effects on Life History; 14: Conclusions