1. Corrections to the text of Chapter 4

a) Page 92 (section 4.6.2)

A careful reader observed that we were missing a word from the second paragraph of page 92 in Chapter 4 – writing “such Brownian evolution” instead of “such as Brownian evolution.”

The corrected paragraph is as follows:

Another quite reasonable question is whether our measured values of phylogenetic signal – rather than being greater than expected by chance – are nonetheless less than expected under a sensible null model for evolution, such as Brownian evolution.