Chambers's encyclopædia

Chambers's encyclopædia

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Somewhat simpler on the whole are the external gill filaments of chiton, of the limpet, of nudibranchs, aamp;c, or the in- d * Fig. 3. a€” Diagram of Fig. 4. a€” Dissection of the the Circulation of the Pharynx of a Fish : Blood through the Showing by arrows, 6, the course Gills ... as the amphibians, all of which have them in their youth, though many, such as the frog, have them entirely replaced by lungs in adult life.

Title:Chambers's encyclopædia
Publisher: - 1890


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