The Diatomaceæ of Philadelphia and Vicinity

PLATE 36

Reading edition

Fig. Page SURIRELLA—Continued 1 Surirella elegans Ehr. 125 2 Surirella robusta Ehr. 124 3 Surirella febigerii Lewis 128 4 Surirella gemma Ehr. 125 5 Surirella guatimalensis Ehr. 126 6 Surirella panduriformis Wm. Sm. 126 7-9 Surirella pinnata Wm. Sm. 126 8 Surirella angusta Kuetz. 127

Illustration from The Diatomaceæ of Philadelphia and Vicinity

Fig. Page

SURIRELLA—Continued

1 Surirella elegans Ehr. 125

2 Surirella robusta Ehr. 124

3 Surirella febigerii Lewis 128

4 Surirella gemma Ehr. 125

5 Surirella guatimalensis Ehr. 126

6 Surirella panduriformis Wm. Sm. 126

7-9 Surirella pinnata Wm. Sm. 126

8 Surirella angusta Kuetz. 127