PLATE 40
Charles S. Boyer
Fig.
Page
1
Caloneis liber (Wm. Sm.) Cl.
81
2
Anomoeoneis sphÆrophora (Kuetz.) Cl.
80
3
Nitzschia spathulata BrÉb.
120
4
Stauroneis ? abnormal
89
5
Navicula ? abnormal
101
6
Podocystis adriatica Kuetz.
129
7
Nitzschia dissipata (Kuetz.) Grun.
120
8
Cymbella ventricosa Kuetz. (zone view)
62
9
Navicula radiosa Kuetz. (zone view)
94
10
Detail of Rhabdonema arcuatum (Lyng.) Kuetz.
35
11
Diatoma anceps (Ehr.) Kirchn. (containing chromataphores)
42
12
Coscinodiscus asteromphalus Ehr. (trans. section, after Pelletan)
23
13-14-15
Transverse section (diagram) of Pinnularia showing straight, oblique and grooved raphes
101
16
Transverse section (diagram) of Biddulphia favus showing inner punctate stratum (after Deby)
31
17
Transverse (ideal) section of Surirella
124
18-19
Transverse (ideal) section of Pinnularia, before and after division
101
20
Transverse section of Nitzschia linearis (Ag.) Wm. Sm.
122
21
Transverse section (diagram) of Navicula
89
22
Transverse section (diagram) of Cymbella
60
23
Transverse section (diagram) of Amphora
65
Fig.
Page
1
Caloneis liber (Wm. Sm.) Cl.
81
2
Anomoeoneis sphÆrophora (Kuetz.) Cl.
80
3
Nitzschia spathulata BrÉb.
120
4
Stauroneis ? abnormal
89
5
Navicula ? abnormal
101
6
Podocystis adriatica Kuetz.
129
7
Nitzschia dissipata (Kuetz.) Grun.
120
8
Cymbella ventricosa Kuetz. (zone view)
62
9
Navicula radiosa Kuetz. (zone view)
94
10
Detail of Rhabdonema arcuatum (Lyng.) Kuetz.
35
11
Diatoma anceps (Ehr.) Kirchn. (containing chromataphores)
42
12
Coscinodiscus asteromphalus Ehr. (trans. section, after Pelletan)
23
13-14-15
Transverse section (diagram) of Pinnularia showing straight, oblique and grooved raphes
101
16
Transverse section (diagram) of Biddulphia favus showing inner punctate stratum (after Deby)
31
17
Transverse (ideal) section of Surirella
124
18-19
Transverse (ideal) section of Pinnularia, before and after division
101
20
Transverse section of Nitzschia linearis (Ag.) Wm. Sm.
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