Preview: Bolton, B., Alpert, G., Ward, P.S. & Naskrecki, P. 2006: Bolton's catalogue of ants of the world: 17582005. – Harvard University Press, Cambridge, Ma, CD-ROM. [USD 49.95, € 46.10; Isbn 0-674-02151-7] Dr. Steven O. Shattuck, Csiro Entomology, P.O. Box 1700, Canberra, Act 2601, Australia. E-mail: steve.shattuck@csiro.au "Bolton's Catalogue of Ants of the World: 1758-2005" represents another milestone in ant systematics. Not only is it a 10-year update of BOLTON's (1995) "A New General Catalogue of the Ants of the World", but it also incorporates Ward & al.'s (1996) "A Bibliography of Ant Systematics" and moves from a paper-based paradigm to an electronic one. It adds 1,800 new ant names and 1,500 new references, bringing the totals to 21,109 names and 9,708 references, and provides 70,996 links between these names and references. The included information is of the highest quality and includes numerous additions and corrections to the original catalogue…