Frogs and toads are often talked about as if they’re identical, but once you look closely, you’ll notice they’re quite different. Although they belong to the same biological order, their appearance, ...
THE rapid advance of physiology and morphology since the completion of Profs. Ecker's and Wiedersheim's “Anatomie des Frosches” has intensified the desire for a text-book which should deal in the most ...
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