Ernst Mayr: the doyen of twentieth century evolutionary biology Bert Hölldobler Editorial 06 July 2004 Pages: 249 - 254
The modern theory of biological evolution: an expanded synthesis Ulrich KutscheraKarl J. Niklas Review 17 March 2004 Pages: 255 - 276
The species flocks of East African cichlid fishes: recent advances in molecular phylogenetics and population genetics Walter SalzburgerAxel Meyer Review 20 April 2004 Pages: 277 - 290
Multilevel selection and social evolution of insect societies Judith KorbJürgen Heinze Review 24 April 2004 Pages: 291 - 304