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Webster 1913 Edition

Ichthyopsida

‖

Ichˊthy-op′si-da

,

Noun.

pl.

[NL., fr. Gr.

ἰχθύς

,

-ύος

, a fish + [GREEK] appearance.]

(Zool.)

A grand division of the Vertebrata, including the Amphibia and Fishes.