File:Diatomaceae of Philadelphia Plate 18.jpg

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


PLATE 18

Fig.
1 Cymbella aspera (Ehr.) Cl.
2 Cymbella cymbiformis (Kuetz.) Bréb.
3 Cymbella cistula (Hempr.) Kirchn.
4 Cymbella lanceolata (Ehr.) Kirchn.
5 Cymbella mexicana (Ehr.) A. S.
6 Cymbella naviculiformis Auerswald.
7 Cymbella tumida (Bréb.) V. H.
8 Cymbella philadelphica n. sp.
9 Cymbella ehrenbergii Kuetz.
10 Cymbella heteropleura (Ehr.) Kuetz.
11 Cymbella rhomboidea n. sp.
12 Cymbella turgida (Greg.) Cl. var.?
13 Cymbella sinuata Greg.
14 Cymbella ventricosa Kuetz.
15-19 Cymbella excisa (Kuetz.) De Toni.
16 Cymbella amphicephala Nægeli.
17 Cymbella cuspidata Kuetz.
18 Cymbella affinis Kuetz.
20 Cymbella gracilis (Rab.) Cl.
21 Cymbella prostrata (Berk.) Cl.
22 Cymbella ventricosa Kuetz.?
23 Cymbella turgida (Greg.) Cl.
24 Cymbella triangulum (Ehr.) Cl.
25 Cymbella lacustris (Ag.) 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
current10:20, 3 January 2014Thumbnail for version as of 10:20, 3 January 20142,350 × 3,000 (859 KB)Keith Edkins=={{int:filedesc}}== {{Information |Description={{En|Illustration from Diatomaceae of Philadelphia and Vicinity. Original description follows: PLATE 18 <table> <tr> <td style{{=}}"vertical-align:top;">Fig.</td> </tr> <tr> <td style{{=}}"vertical-al...

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