File:EB1911 Infusoria - motile reaction of Paramecium.jpg
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 16:45, 14 August 2018 | 891 × 432 (63 KB) | Bob Burkhardt | {{Information |description ={{en|1=Diagrammatic view of behaviour of the motile reaction of Paramecium after meeting a mechanical obstruction at A. (From G. N. Calkins after H. S. Jennings.) For clearness and simplicity the normal motion is supposed to be straight instead of spiral.}} |date =published 1911 |source =“Infusoria,” ''Encyclopædia Britannica'' (11th ed.), v. 14, 1911, p. 560, fig. vi. |author =From Calkins’ ''Protozoa''. |permission ={{PD-Britannica}} }... |
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