It deals with a very complex and controversial subject area and yet it does so in a way that is both balanced and lucid

• The premise and species concepts; speciation - the ecological transition; speciation - the genetic transition; the geographical scale of speciation; the geographical expansion of neospecies; differentiation and the breakdown of species unity; the decline and demise of species; the persistence and sorting of incipient species; species duration and the tempo of diversification.

It deals with a very complex and controversial subject area and yet it does so in a way that is both balanced and lucid

• The premise and species concepts; speciation - the ecological transition; speciation - the genetic transition; the geographical scale of speciation; the geographical expansion of neospecies; differentiation and the breakdown of species unity; the decline and demise of species; the persistence and sorting of incipient species; species duration and the tempo of diversification.

It deals with a very complex and controversial subject area and yet it does so in a way that is both balanced and lucid

• The premise and species concepts; speciation - the ecological transition; speciation - the genetic transition; the geographical scale of speciation; the geographical expansion of neospecies; differentiation and the breakdown of species unity; the decline and demise of species; the persistence and sorting of incipient species; species duration and the tempo of diversification.