Raymond Rosen, Ph. D., Editor
Clive M. Davis, Ph.D., Associate Editor
Howard J. Ruppel, Jr., M.A., Associate Editor

Intersexuality and Gender Identity Differentiation ... 1
Kenneth J. Zucker

The Development of Sexual Orientation in Women ... 70
Letitia Anne Pepulau, Leah R. Spalding, Terri D. Conley, and Rosemary C. Veniegas

Clinical Ethnography and Sexual Culture ... 100
Gilbert Herdt

Revisiting the Concept of Sexual Motivation ... 120
James G. Pfaus

Central Nervous System Pathways Involved in the Control of Penile Erection ...157
Kevin E. McKenna

Sex, Social Institutions, and Social Structure: Anthropological Contributions to the Study of Sexuality ... 184
Lenore Manderson, Linda Rae Bennet, and Michelle Sheldrake

The Sexual Pain Disorders: Is the Pain Sexual or is the Sex Painful? ... 210
Yitchak M. Binik, Marta Meana, Karen Berkley, and Samir Khalifé

Evaluating Sexual Science: Problems and Prospects ... 246
Ira L. Reiss