File:PSM V20 D472 Tracheal system of a water bug and of the larva of an aeschna.jpg
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 06:40, 15 May 2014 | 1,421 × 1,590 (347 KB) | Ineuw | Cleaned image & improved contrast | |
23:57, 22 August 2010 | 1,413 × 1,588 (316 KB) | Ineuw | {{Information |Description = Tracheal system of a water bug and of the larva of an aeschina |Source = http://en.wikisource.org/wiki/Page:Popular_Science_Monthly_Volume_20.djvu/472 |Date = 1881-1882 |Author = Unknown |Permission = {{PD-old}} |other_v |
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