Prologue

Darwinian Dilemmas

Survival of the Unfittest

Biologicizing Morality

Calvinist Sociobiology

A Broader View

The Invisible Grasping Organ

Ethology and Ethics

Photo Essay: Closeness

Sympathy

Warm Blood in Cold Waters

Special Treatment of the Handicapped

Responses to Injury and Death

Having Broad Nails

The Social Mirror

Lying and Aping Apes

Simian Sympathy

A World without Compassion

Photo Essay: Cognition and Empathy

Rank and Order

A Sense of Social Regularity

The Monkey's Behind

Guilt and Shame

Unruly Youngsters

The Blushing Primate

Two Genders, Two Moralities?

Umbilical versus Confrontational Bonds

Primus inter Pares

Quid pro Quo

The Less-than-Golden Rule

Mobile Meals

At the Circle's Center

A Concept of Giving

Testing for Reciprocity

From Revenge to Justice

Photo Essay: Help from a Friend

Getting Along

The Social Cage

The Relational Model

Peacemaking

Rope Walking

Baboon Testimony

Draining the Behavioral Sink

Community Concern

Photo Essay: War and Peace

Conclusion

What Does It Take to Be Moral?

Floating Pyramids

A Hole in the Head

Notes

Bibliography

Acknowledgments

Index