| Fig. | | Page |
| SYNEDRA—Continued |
| 1 | Synedra oxyrhynchus var. undulata Grun. | [48] |
| 2 | Synedra pulchella var. flexella n. var. | [49] |
| 3 | Synedra affinis Kuetz. | [50] |
| 4 | Synedra affinis var. tabulata (Ag.) V. H. | [50] |
| 5-6 | Synedra vaucheriæ var. parvula (Kuetz.) Rab. | [49] |
| 7 | Synedra affinis var. parva (Kuetz.) V. H. | [50] |
| 8 | Synedra radians (Kuetz.) H. L. S. | [49] |
| DIMEROGRAMMA |
| 9-10 | Dimerogramma marinum (Greg.) | [46] |
| 11 | Dimerogramma surirella (Ehr.) Grun. | [46] |
| 12-13-14 | Dimerogramma minus (Greg.) Ralfs. | [47] |
| TRACHYSPHENIA |
| 15 | Trachysphenia australis Petit. | [47] |
| ACTINELLA |
| 16-17-18 | Actinella punctata Lewis. | [54] |
| ASTERIONELLA |
| 19-20-21 | Asterionella formosa Hass. | [50] |
| 22 | Asterionella inflata Heib. | [50] |
| EUNOTIA |
| 23 | Eunotia hemicyclus (Ehr.) Ralfs | [53] |
| 24-25 | Eunotia lunaris (Ehr.) Grun. | [53] |
