Chambers' Encyclopædia

Chambers' Encyclopædia

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Neighbouring filaments become linked to one another, and ascending and descending parts of the same filament are likewise crossed by ... Some- /J what simpler on the whole are the external gill filaments of chiton, of the limpet, of nudibranchs, Apc., or the in- Fig. ... far as the amphibians, all of which have them in their youth, though manv, such as the frog, have them entirely replaced by lungs in adult life.

Title:Chambers' Encyclopædia
Publisher: - 1893


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