File:Valvata sincera shell basal.jpg
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| Description |
English: drawing of lateral view of the shell of Valvata sincera |
| Date | |
| Source | Walker, B. July 1906. Notes on Valvata. The Nautilus, Volume 20, Number 3, 25-32, Plate 1. figure 6. (Author Miss Helen Winchester is mentioned at page 32.) |
| Author | Miss Helen Winchester (born ? - died ?, U.S.A.) (She was associated with Academy of Natural Sciences of Philadelphia until 1946 - (according to Vera Norwood. 1993. Made from This Earth: American Women and Nature. The University of North Carolina Press, 392 pp., ISBN 0807843962, page 70. )) |
| Permission (Reusing this file) |
public domain |
|
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
 Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 15:59, 22 November 2008 | | 393 × 335 (70 KB) | commons>Snek01 | {{Information |Description={{en|drawing of lateral view of the shell of ''Valvata sincera''}} |Source=Walker, B. July 1906. ''Notes on Valvata''. [http://www.archive.org/details/nautilus20amer The Nautilus, Volume 20], Number 3, 25-32, Plate 1. figure |
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