File:EB1911 Planarians - Microstoma lineare undergoing division.jpg

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English: Microstoma lineare, Oe., undergoing division. There are 16 individuals. 8 with mouth apertures, showing the buds of the first (m), second (m′), third (m′′), and fourth (m′′′) generation. The fifth generation has not yet acquired a mouth aperture. c, ciliated grooves; e, eye spots; i, intestine. Labels have been enhanced.
Date published 1911
Source “Planarians,” Encyclopædia Britannica (11th ed.), v. 21, 1911, p. 710, fig. 10.
Author Frederick William Gamble
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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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current17:44, 27 December 2018Thumbnail for version as of 17:44, 27 December 2018208 × 898 (67 KB)Bob Burkhardt (talk | contribs){{Information |description ={{en|1=''Microstoma lineare'', Oe., undergoing division. There are 16 individuals. 8 with mouth apertures, showing the buds of the first (''m''), second (''m''′), third (''m''′′), and fourth (''m''′′′) generation. The fifth generation has not yet acquired a mouth aperture. ''c'', ciliated grooves; ''e'', eye spots; ''i'', intestine. Labels have been enhanced.}} |date =published 1911 |source =“Planarians,” ''Encyclopædia Britannica'' (11th ed.), v...

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