File:EB1911 Infusoria - mode of progression of Paramecium.jpg

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EB1911_Infusoria_-_mode_of_progression_of_Paramecium.jpg(608 × 220 pixels, file size: 23 KB, MIME type: image/jpeg)

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English: Diagram of a mode of progression of a Ciliate like Paramecium; m, mouth and pharynx; the straight line A, B, represents the axis of progression described by the posterior end, and the spiral line the curve described by the anterior end; the clear circles are the contractile vacuoles on the dorsal side.
Date published 1911
Source “Infusoria,” Encyclopædia Britannica (11th ed.), v. 14, 1911, p. 560, fig. vii.
Author Unknown artistUnknown artist
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(Reusing this file)
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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Date/TimeThumbnailDimensionsUserComment
current16:54, 14 August 2018Thumbnail for version as of 16:54, 14 August 2018608 × 220 (23 KB)Bob Burkhardt{{Information |description ={{en|1=Diagram of a mode of progression of a Ciliate like Paramecium; m, mouth and pharynx; the straight line A, B, represents the axis of progression described by the posterior end, and the spiral line the curve described by the anterior end; the clear circles are the contractile vacuoles on the dorsal side.}} |date =published 1911 |source =“Infusoria,” ''Encyclopædia Britannica'' (11th ed.), v. 14, 1911, p. 560, fig. vii. |author ={{Unkno...