— 170 — 



4 — 7 Actinoptychus Stella A. Schm. 

 8 * Truani A. Schm. 



*9 Actinoptychus 



*5 Cocconeis 



2 Orthoneis splendida (Greg.) Grün. 



3 Cocconeis praecellens Pant. 



4 = sigma Pant. 



5 * cruciata Pant. 



6 = vitrea Brun. 



7 Navicula pseudofusca Pant. 



8 = nitescens Ralfs var. fossilis. 



9 = Schaarschmidtii Pant. 

 10 — 12 Orthoneis splendida (Greg.) Grün. 



13 Navicula Californica Grev. 



14 = Sandriana Grün. 



15 = praetexta Ehr. 



16 = O'Swaldü Jan. var. Hungarica Pant. 

 17 — 18 « latissima Greg. 



19 * Baumleri Pant. 



20 * humerosa Breb. var. elongata Pant. 

 21—22 = Lyra Ehr. et var. 



23—24 * Le Tourneri Pant. 



25 = pseudofusca Pant. 



26 * Hennedyi Sm. 



27 * Lyra Ehr. var. 



28 = cardinalis Ehr. 



29 == Yarrensis Grün. 



30 5 gemmata Grev. var. fossilis Pant. 



1 Navicula Holubyi Pant. 



2 * Szaboi Pant. 



3 * mastogloidea Pant. 



4 * Pandura Breb. 



5 * * = var. 

 *6 Navicula 



7 s mirabilis Leud. Fort. 



8 = coarctata A. Schm. 



9 = gemmata Grev. var. fossilis Pant. 



10 = interrupta Kg. var. 



11 * suspecta A. Schm. 



12 — 15 Terpsinoe Americana (Bau.) Ralfs. 

 16 * intermedia Grün. 



*17 Climacosira 



