— 144 — 



12 Cerataulus Hungaricus Pant. 

 13 — 14 Cerataulus 

 15—16 = turgidus Ehr. 



17 — 18 Biddulphia pulchella Gray. 



1 Biddulphia Toumeyi Bail. 

 *2 Biddulphia 

 3 — 4 = capucina A. Schm. 



5 — 6 s Tourneyi Bail. 



7 — 8 = polyacanthus Brun. 



9 = aurita Breb. 



10 Peponia Barbadensis Grev. 



11 Porpeia quadrata Grev. 



12 Biddulphia longispina Grün. 

 *13 Biddulphia 



14—16 = tridentata Ehr. 



6« 





*17 Auliscus 





18 



* punctatus Bail. 





*19 



Auliscus 



20- 



-21 



* Hardmanianus Grev. 



22- 



-23 



* Biddulphia Kitt. 





1 



Auliscus Stöckhardtii Jan. 





2 



* pruinosus var. subreticulata Grün, 





3 



* ovalis Arn. 



4 



[— 5 



Eupodiscus oculatus Grev. 





*6 



Auliscus 





7 



= pruinosus var. subreticulata Grün. 





8 



5 Biddulphia Kitt. 





9 



* mirabilis Grev. 



10- 



-11 



* punctatus Bail. 





12 



* confluens Grün. 





*13 Pantocsekia? 





14 Cocconeis Britannica Nägl. 



15- 



-17 



Campyloneis Grevillei Sm. 





*18 Cocconeis 





*19 Cocconeis 





20 



* cruciata Pant. var. 



21- 



—22 Orthoneis splendida (Greg.) Grün. 



1 Orthoneis splendida (Greg.) Grün. 



2 Navicula praetexta Ehr. var. 



3 * praetexta Ehr. 



