. Animal activities : a first book in zoölogy. Zoology; Animal behavior. Fig. 135.—Tongue of a Fig. 136.—A Young Tadpole Showing External Gills. membrane is joined to the bod}'-wall except on the left side, where an opening for the passage of water remains. The young frog now breathes like a fish. The. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original French, Nathaniel S. (Nathaniel Stowers), 1854-. New York ; London :

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. Animal activities : a first book in zoölogy. Zoology; Animal behavior. Fig. 135.—Tongue of a Fig. 136.—A Young Tadpole Showing External Gills. membrane is joined to the bod}'-wall except on the left side, where an opening for the passage of water remains. The young frog now breathes like a fish. The. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original French, Nathaniel S. (Nathaniel Stowers), 1854-. New York ; London : Longmans, Green, and Co.

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Keywords: ., bookcentury1900, bookdecade1900, booksubjecta, booksubjectzoology