The answer is found in the fact that this is the order of change174 in the phylogenic series.
Surely these words exhibit the "phylogenic series" in all its native, unscientific deformity.
This, as we have already seen, is the geologic or evolution, or phylogenic series.
Last and most important of all, in its relation to evolution, Agassiz added comparison in the geologic or phylogenic series.
phylogeny phy·log·e·ny (fī-lŏj'ə-nē)
The evolutionary development and history of a species or higher taxonomic grouping of organisms. Also called phylogenesis.
The evolutionary development of an organ or other part of an organism.