| Fig. | | Page | | NAVICULA | | 1 | Navicula maculata (Bail.) Cl. | 90 | | 2 | Navicula prÆtexta Ehr. | 92 | | 3 | Navicula latissima Greg. | 90 | | 4 | Navicula irrorata Grev. | 93 | | 5 | Navicula latissima var. elongata (Pant.) Cl. | 91 | | 6 | Navicula fuchsii Pant. | 91 | | | | Fig. | | Page | | NAVICULA | | 1 | Navicula maculata (Bail.) Cl. | 90 | | 2 | Navicula prÆtexta Ehr. | 92 | | 3 | Navicula latissima Greg. | 90 | | 4 | Navicula irrorata Grev. | 93 | | 5 | Navicula latissima var. elongata (Pant.) Cl. | 91 | | 6 | Navicula fuchsii Pant. | 91 | |
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