Passatstaub und Bluiregen. 317 
Kieselschalige Polygastrica. 
180311813 180311813 
Achnanthes? vide Stauro- Gallionella distans + 
ptera? granulata +! +! 
Campylodiscus Clypeus +|+ laminaris —|+ 
Cocconema gracile + procera +!+ 
Coscinodiscus radiolatus? |+?|-+! Gomphonema rotundatum +! 
E Jlavicans —|+ Himantidium Arcus ++ 
. & + Navicula fulva —|+ 
Discoplea atmosphaerica +|+ lineolata — + 
Eunotia amphioxys elep Scalprum +|/+ 
Argus +|+ Semen + 
Diodon —-|+r * undosa —|+ 
gibba | Pinnularia viridis — + 
gibberula — + — ? +|/+ 
granulata — |+  "Stauroptera — ? + 
longicornis Pig — ? (Achnanthes)) — 
“ zebrina +?) +? "Stauroneis linearis —|+ 
"Fragilaria diophthalma — || Surirella Craticula — + 
rhabdosoma REIN — ? — |+ 
. ? Synedra n. sp. |+ | + Synedra Entomon ++ 
Gallionella erenata +|+ Ulna +|+ 
decussala Per 39 2333 
Phytolitharia: 
Amphidiscus armatus —|+  "Lithostomatium Rhombus |— |+ 
clavatus — [+ Lithostylidium Amphiodon \+ | + 
Rotella + clavatum + 
A truncatus +|+ Biconcavum + 
Lithodontium Bursa + Clepsammidium| — | + 
falcatum — + laeve + + 
Jurcatum +|+ obliguum —|+ 
nasutum Her OÖssiculum +[/+ 
Platyodon |—|+ polyedrum + 
rostratum une quadratum +!+ 
