| Fig. | | Page |
| CALONEIS |
| 1 | Caloneis permagna (Bail.) Cl. | [82] |
| 2 | Caloneis permagna var. lewisiana n. var. | [82] |
| 3 | Caloneis silicula (Ehr.) Cl. | [81] |
| 4 | Caloneis silicula var. inflata (Grun.) Cl. | [81] |
| 5 | Caloneis brevis var. vexans (Grun.) Cl. | [82] |
| 6-7 | Caloneis wardii Cl. | [82] |
| 8 | Caloneis trinodis (Lewis) | [81] |
| 9 | Caloneis trinodis (Lewis) var.? | [81] |
| 10 | Caloneis powellii (Lewis) Cl. | [83] |
| 18 | Caloneis formosa (Greg.) Cl. | [82] |
| NEIDIUM |
| 11 | Neidium affine (Ehr.) Pfitzer | [83] |
| 12 | Neidium affine var. genuina forma minor Cl. | [83] |
| 13 | Neidium affine var. amphirhyncus (Ehr.) Cl. | [83] |
| 14 | Neidium amphigomphus (Ehr.) Pfitzer. | [83] |
| 15 | Neidium hitchcockii (Ehr.) Cl. | [84] |
| 16 | Neidium productum (Wm. Sm.) Cl. | [83] |
| 17 | Neidium iridus (Ehr.) Cl. | [84] |
