Species, Species Concepts and Primate Evolution

A world of categones devmd of spirit waits for life to return. Saul Bellow, Humboldt''s Gift The stock-in-trade of communicating hypotheses about the historical path of evolution is a graphical representation called a phylogenetic tree. In most such graphics, pairs of branches diverge from other branches, successively marching across abstract time toward the present. To each branch is tied a tag w...