Male Parental Investment in Titi Monkeys (Callicebus)
                      and Barbary Macaques (Macaca)
                          An Intraspecific Comparison
 

I.  What is parental investment?
        i.  Factors that influence parental investment in primates
        ii. Three functional hypotheses for male-infant interactions in
primates

II.  Titi Monkeys
        i.  Social structure, ecology, mating behavior, geographical
distribution
        ii. Male-Female pair bond
                    a) Monogamy
                    b) Paternal care
        iii. Reasons for behavior
                    a) Costs (-)
                    b) Benefits (+)

III.  Barbary Macaques
        i. Social structure, ecology, mating behavior, geographical
distribution
        ii. Importance of social structure
        iii. Male "Care then Mate" behavior pattern
                    a) Reasons and Benefits

IV.  Correlation between proposed hypotheses and male parental investment
       observed in Titis and Barbary Macaques

V.  Conclusion/Summary