The Basis of Social Relations: A Study in Ethnic Psychology

This work steps into a long‑overlooked niche of anthropology, offering the first systematic account of what its author called “ethnic psychology.” Written at the turn of the twentieth century, it reflects a scholar who helped shape American archaeology and linguistics, yet turned his keen eye to the deeper question of how cultural groups think and feel. The introduction frames the discipline’s early neglect, noting earlier German efforts that never gained a foothold, and argues that understanding the ethnic mind is essential for any solid social science.

Divided into clear sections, the book examines the unity of the human mind before turning to the ways groups differ through heredity, environment, and even pathological factors. It explores physiological and geographic influences, the role of hybridization, and the tensions between individual and collective cognition. For listeners interested in the foundations of cultural anthropology, this study provides a thoughtful, historically grounded lens on the forces that shape human societies.