Phy`lo*gen"e*sis (?), Phy*log"e*ny (?), n. [Gr. tribe + E. genesis, or root of Gr. to be born.]

The history of genealogical development; the race history of an animal or vegetable type; the historic exolution of the phylon or tribe, in distinction from ontogeny, or the development of the individual organism, and from biogenesis, or life development generally.


© Webster 1913.

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