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Navicula subcapitata var. paucistriata Grun. 



Navicula subcapitata var. stauroneiformis P. Pet. 



Navicula sublinearis Grun. 



Navicula stjbtilissima Cleve. 



Navicula Tàmboubense M. Per. 



Navicula tenella lîreb. (radiosa var. ten.). 



Navicula termitiana Eh. 



Navicula trinodis W. Sm. 



Navicula turnida W. Sm. 



Navicula tuecula Eh. 



Navicula tuscula var. minor. 



Navicula undulata Greg. 



Navicula veneta Ktz. 



Navicula ventricosa Eh. 



Navicula ventricosa var. avekna E,. d'Aub. 



Navicula ventricosa var. bacillaris M. Per. 



Navicula ventricosa var. laevis M. Per. 



Navicula ventricosa var. minuta Grun. 



Navicula ventricosa var. subtrunculata. 



Navicula ventricosa var. ? 



Navicula viridis Ktz. 



Navicula viridis var. commutata Grun. 



Navicula viridis var. fallax Cleve. 



Navicula viridis var. intermedia Cleve. 



Navicula viridis var. rupestris Hantz. 



Navicula viridula Ktz. 



Navicula viridula t' a minor. 



Navicula viridula var. major. 



Navicula vulpina Ktz. 



Navicula Sp.? A. Sch. Atl., PI. 49, fig. 53. 



Nitzschia acuminata Grun. 



Nitzschia acutiuscula Grun. 



Nitzschia amphibia Grun. 



Nitzschia angflaris "W. Sm. 



Nitzschia angularis var. af finis Grun. 



Nitzschia angustata Grun. 



Nitzschia angustata var. curta Y. H. 



Nitzschia apiculata Greg. 



Nitzschia bilobata W. Sm. 



Nitzschia bilobata var. fossilis M. Per. 



Nitzschia bilobata var. minor Grun. 



