Since time began, man has been threatened by growing populations and diminishing resources. In response, he has created idiosyncratic cultures whose forms and functions can - to the outsider - seem incomprehensible. In fascinating and at times bizarre detail a distinguished American anthropologist traces the evolution of cultures in terms not of traditionally accepted notions of the inexorable march of material progress but rather of man's supremely rational survival tactics and adaptability in a world which ever threatens him with extinction.

An anthropological study of the relationship between environment and racial practices as found in the Americas