 South Africa's Mark Boucher has taken the most dismissals in Test cricket as a designated wicket-keeper with 555, followed by Adam Gilchrist of Australia on 416.England's Alan Knott, who took 269 dismissals during his 95-Test match career, is eighth on the list.He is followed by his compatriots Matt Prior and Alec Stewart in ninth and tenth with 256 and 241 dismissals respectively.