File:Diatomaceae of Philadelphia Plate 19.jpg

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


PLATE 19

Fig.
1 Gomphoneis mamilla (Ehr.) Cl.
2 Gomphoneis herculaneum (Ehr.) Cl.
3 Gomphonema montanum Schum.
4 Gomphonema geminatum Lyng.
5 Gomphonema acuminatum var. turris (Ehr.) Cl.
6-12 Gomphonema lanceolatum var. insignis (Greg.) Cl.
7 Gomphonema acuminatum var. coronata (Ehr.) Cl.
8 Gomphonema constrictum Ehr.
9-10 Gomphonema sphærophorum Ehr.
11 Gomphonema acuminatum var. turris (Ehr.) Cl.?
13 Gomphonema ventricosum Greg.
14 Gomphonema intricatum Kuetz.
15 Gomphonema æquale Greg.
16 Gomphonema sarcophagus Greg.
17 Gomphonema parvulum var. micropus (Kuetz.) Cl.
18-19 Gomphonema angustatum Kuetz.
20 Gomphonema acuminatum var. trigonocephala (Ehr.) Cl.
21 Gomphonema augur Ehr.
22 Gomphonema capitatum Ehr.
23 Gomphonema olivaceum Lyng.
24 Gomphonema brasiliense var. demeraræ Grun.?
25-26-27 Rhoicosphenia curvata (Kuetz.) Grun.
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 (535 KB)Keith Edkins=={{int:filedesc}}== {{Information |Description={{En|Illustration from Diatomaceae of Philadelphia and Vicinity. Original description follows: PLATE 19 <table> <tr> <td style{{=}}"vertical-align:top;">Fig.</td> </tr> <tr> <td style{{=}}"vertical-al...

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