Epithemia argus Ktz. 



— saxonica Klz. 



— sorex Ktz. 



— zébra Ktz. 

 Eunotia aicus Eh. 



(iomphonema acuiriinatum v. coronatum 



— intricalum v. dicholoma. 



— — V. pulvinata. 



— — V. pumila 



— subclavatum Grun. 



— subtile Eh. 

 Handmanniana austriaca M. Per 

 .\leri«lion circulare Âg. 

 iXavicula bisulcata Lag. 



— Brebissonii Ktz, car. 



— cryptocephala Ktz. 



— firma Ktz. 



— — V. diminuta. 



— — V. subundulata. 



— Gothlandica Grun. 



— iridis v. ampliata. 



43S - 



< Navicuia litnosa Ktz. 



— microcephala Grun. 



— oblonga Ktz. 



— peregrina Ktz. 



— pupula Ktz. 



— radiosa Ktz. 



— — V. acuta. 



— tenella Bréb. 



— tuscula Eh. var. 



Nitzscbia angustata Grun. 



— Heujîeriana Grun. car. 

 Pleurosignia attenuatum W. Sm. 

 Rhopaloiiia gibba v. centricosu. 



Stauroneis anceps Eh. 



— — V. amphicephala. 



— — V. linearis. 



— gracilis Eh. 



— phœnicenteron Eh. 



Surirella linearis v. constricta. 

 Tabellaria feneslrata Ktz. 



No 902 SAINT-PETER BEI LINZ (Autriche) 



Acbnantbes lanceolala Bréb. 



— — V. elongata. 



— ininutiNsinia Ktz. 



— — V. cryptoce- 



phala. 

 Anipbora gracilis Eh. 



— iibyca Eli. 



— ovalis {' niinor. 



— pediculus Grun. 



Coccnnvi» placentula Eh . 



Cyclotelia coMita Ktz. 



— Kùtzinj^iana Tliw. 



— Meneghiniana Ktz. 



— operculata Ktz. 



Cymatopleura apiculata W. Sm. 



— solea W. Sm. 



Cymbella affinis Ktz. 



— cistula Kirch. 



— gastroïdes Ktz. 



Cymbella maculnta Ktz. 



— subsequalis Grùn. 

 Diatonia vulgare v. capitiilatum. 



Uiploneis elliptica CI. 



— — V. minutissima. 



— — V. oblongella. 

 Encyonema ventricosum Grun. 

 Epitbemia turgida Ktz. 

 Eunotia gracilis Rab. 



— linearis Grun. 



— — V. excisa. 

 Fragilaria capucina Desm. 



— construens Grun. 



— mutabilis Grun. 

 Gomphonema acuminatum Eh. 



— — V. coronatum. 



— — .V. clavus. 



— angustatum Grun. 



— — V. producta. 



