In J. Bland-Hawthorn's article “Clues to galaxy formation” (Nature 400, 220–221; 1999) the image in Fig. 1 was not produced by the Virgo Consortium and was not published in ref. 12 as stated. The image should have been attributed to G. Kauffmann, J. M. Colberg, A. Diaferio & S. D. M. White, Mon. Not. R. Astron. Soc. 303, 188-206 (1999), as part of the GIF project (http://www.mpa-garching.mpg.de/jgc/sim_gif.html).