251
Fig. 6 Sum over all sites of absolute differences in site ranks (based on Ws sum ) if the phylogeny
(x axis) is dropped. The main fi gures shows the values standardised (= divided) by the number of
phylogenies present at the site when a phylogeny is dropped. The small fi gure at the bottom shows
the nonstandardised values
Assessing Hotspots of Evolutionary History with Data from Multiple Phylogenies...