Seems many are naive to the controversy about the issue of species and just accepts Mayr s definition of a biological species In Coyne J A Orr H A Sinauer Associates Sunderland MA 2004 Speciation the author describes nine different species concepts A more recent abstract and article further highlights issues of interest by Mallet who adopts a more Darinian view once again This article free online discusses the issues and is a good read Philos Trans R Soc Lond B Biol Sci 2008 Sep 27 363 1506 2965 9 Introduction Speciation in plants and animals pattern and process Abbott RJ Ritchie MG Hollingsworth PM