File:Diatomaceae of Philadelphia Plate 23.jpg

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English: Illustration from Diatomaceae of Philadelphia and Vicinity. Original description follows:


PLATE 23

Fig.
1 Gyrosigma strigilis (Wm. Sm.) Cl.
2 Gyrosigma balticum (Ehr.) Cl.
3 Gyrosigma hippocampus (Ehr.)
4 Gyrosigma simile (Grun.)
5 Gyrosigma acuminatum (Kuetz.) Cl.
6 Gyrosigma scalproides (Rab.) Cl.
7 Gyrosigma parkeri var. stauroneioides Grun.
8 Gyrosigma spencerii var. nodifera Grun.
9 Gyrosigma fasciola (Ehr.) Cl.
Date
Source https://archive.org/details/diatomaceofphi00boye
Author Charles Sumner Boyer (1856-1928).

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Public domain

The author died in 1928, so this work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 95 years or fewer.


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.

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Date/TimeThumbnailDimensionsUserComment
current10:22, 3 January 2014Thumbnail for version as of 10:22, 3 January 20142,350 × 3,000 (323 KB)Keith Edkins=={{int:filedesc}}== {{Information |Description={{En|Illustration from Diatomaceae of Philadelphia and Vicinity. Original description follows: PLATE 23 <table> <tr> <td style{{=}}"vertical-align:top;">Fig.</td> </tr> <tr> <td style{{=}}"vertical-al...

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