File:PSM V42 D206 Chinese narrow throated snail.jpg

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Description

English: Drawing of umbilical view of the shell of Chinese narrow throated snail Stegodera angusticollis.

Date

between 1892 and 1893

Source

Pilsbry H. A. (1892-1893). "Protective devices and coloration of land snails". Popular Science Monthly 42: 187-193. page 192.

Author

Henry Augustus Pilsbry (1862-1957)

Permission
(Reusing this file)

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.
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This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Extracted image from book, to grayscale, cropped whitespace. Modifications made by Ineuw. The original can be found here: Popular Science Monthly Volume 42.

File history

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	Date/Time	Dimensions	User	Comment
current	03:10, 4 December 2015	828 × 663 (25 KB)	Ineuw	Cleaned image and improved contrast
	05:41, 19 January 2011	863 × 658 (23 KB)	Ineuw	{{Information \|Description = Chinese narrow throated snail \|Source = [http://www.archive.org/details/popularsciencemo421893newy Popular Science Monthly Volume 42] \|Date = 1892-1893 \|Author = Unknown \|Permission = {{PD
	03:04, 19 January 2011	862 × 660 (26 KB)	Ineuw	{{Information \|Description = Chinese narrow throated snail \|Source = [http://www.archive.org/details/popularsciencemo421893newy Popular Science Monthly Volume 42] \|Date = 1892-1893 \|Author = Unknown \|Permission = {{PD

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