

Achnanthes 



Amphora 



Aredia 



Campylodiscus 



Chaetotyphla ? 



Closterium 



Cocconei's 



Cocconema 



Desmidium 



Difflugia 



Euastrum 



Eunotia 



Fragilaria 



Gallionella 



139 



Verzeiclinifs der neuholländischen Genera: 

 A. Polygastrica. 



species. 



Gomphonema 

 Grammatophora 

 Hirn a ntidium 

 Micraslerias 

 Navicula 



Pinnularia 



Rhizonotia 



Spirillina 



Stauroneis 



Stauroptera 



Surirella 



Sjnedra 



Trachelomonas 



6 

 1 



2 



1 



4 



21 



1 



1 



2 



3 



1 



8 



1 



species. 



species. 



B. Phytolithea. 

 Amphidiscus 1 species. Lithostylidium 



Lithodontium 7 - Spongolithis 



C. Polythalamia. 

 species. Rotalia 2 species. 



Die neuen Arten sind: 



12. Gallionella Nooae Hollandiae 



13. Gomphonema insulare 

 1 •*• — tenuicolle 



Biloculina 1 



1. Arcella diseoidea 



2. Euastrum austräte 



3. Micraslerias enneactis 



4. Campylodiscus radiolatus 



5. Cocconei's Sc u tum 



0. — diseiformis 



7. — navicularis 



8. Eunotia caelata 



9. — australis 

 10. — Cygnus 

 11- — paradoxa 



15. Himantidium Australiae 



16. Pinnularia australis 



17. — Pleuronectes 



18. — styliformis 



19. Rhizonotia Melo 



20. Stauroptera leptoeephala 



21. Synedra sigmoidea. 



Characteristik des neuen Genus. 

 Rhizonotia, Zaser-S childchen. 

 Genus e familia Bacillariorum, sectione Naviculaceorum. Lorica 

 bivalvis, aperturis duabus mediis, (Arophorae modo et forma, 



