Fig.
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Page
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1
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Caloneis liber (Wm. Sm.) Cl.
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81
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2
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Anomœoneis sphærophora (Kuetz.) Cl.
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80
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3
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Nitzschia spathulata Bréb.
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120
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4
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Stauroneis ? abnormal
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89
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5
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Navicula ? abnormal
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101
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6
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Podocystis adriatica Kuetz.
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129
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7
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Nitzschia dissipata (Kuetz.) Grun.
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120
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8
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Cymbella ventricosa Kuetz. (zone view)
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62
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9
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Navicula radiosa Kuetz. (zone view)
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94
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10
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Detail of Rhabdonema arcuatum (Lyng.) Kuetz.
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35
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11
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Diatoma anceps (Ehr.) Kirchn. (containing chromataphores)
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42
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12
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Coscinodiscus asteromphalus Ehr. (trans. section, after Pelletan)
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23
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13-14-15
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Transverse section (diagram) of Pinnularia showing straight, oblique and grooved raphes
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101
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16
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Transverse section (diagram) of Biddulphia favus showing inner punctate stratum (after Deby)
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31
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17
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Transverse (ideal) section of Surirella
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124
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18-19
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Transverse (ideal) section of Pinnularia, before and after division
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101
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20
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Transverse section of Nitzschia linearis (Ag.) Wm. Sm.
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122
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21
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Transverse section (diagram) of Navicula
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89
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22
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Transverse section (diagram) of Cymbella
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60
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23
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Transverse section (diagram) of Amphora
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65
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