books.google.com - Darwin's Legacy: Scenarios in Human Evolution compares ideas about human evolution Darwin published in The Descent of Man in 1891 to 30 scenarios about the evolution of such unique human characteristics as bipedalism, hairless skin, secondary sex characters, language and culture that anthropologists...https://books.google.com/books/about/Darwin_s_Legacy.html?id=gtcWrI60_zsC&q=derived+characters&utm_source=gb-gplus-shareDarwin's Legacy
