This is a comprehensive introduction to the study of human beings, written by the prominent French biologist Armand Quatrefages de Breau. It covers a wide range of topics, from the physical and biological characteristics of human beings to their cultural and social differences. The book is an excellent resource for anyone interested in the study of human nature, and an important contribution to the history of science.

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.

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