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Webster 1913 Edition

Archipterygium

‖

Ar-chipˊte-ryg′i-um

(är-kĭpˊtē̍-rĭj′ĭ-ŭm)

,

Noun.

[NL., fr. Gr. pref.

ἀρχι-

(E.

arch-

) +

πτερύγιον

wing, fin.]

(Anat.)

The primitive form of fin, like that of Ceratodus.