Phylogenetic trees model linguistic descent. More specifically, they are hypotheses about the order of lineage-splitting events from an often unobservable common ancestor to a set of observable descendants (Bowern & Koch 2004: 8–9, Pagel 2017: 152). The phylogeny
Ophelia Supp!. 5: 55-62 (February 1991)
and the Growth of Scientific Knowledge
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Elucidation of phylogenetic