File:EB1911 - Metamorphosis - Fig 1.png

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English: After Leuckart and Nitsche's Wandtafeln, by permission of T. G. Fisher & Co.

Fig. 1.—Drawings illustrating the metamorphosis of the frog (Rana temporaria).

A, Side view of an advanced tadpole with well-developed posterior limbs; the anterior limbs are present but hidden beneath the operculum.

B, Ventral view of the same with operculum removed showing the anterior limbs in situ; the ventral body wall has also been removed and the heart (ht) and intestine exposed. (br) Gills; (KL) spiracle.

C, A frog after the metamorphosis but before the absorption of the tail.
Date
Source https://en.wikisource.org/wiki/Page%3AEB1911_-_Volume_18.djvu/243
Author Encyclopædia Britannica

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Public domain This image comes from the 13th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States because the book was first published in the US with the publication occurring before January 1, 1929. As such, this image is in the public domain in the United States.

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