86, 





Kalkgewässer. 





Sandgewässer. 



Gomphonema acuminatum 



Gompbonema acuminatum 



» 



„ capitatum 







11 



„ rotundatum 







11 



„ tenellum 







Himantidium pectinale 







n 



„ minus 







Melosira 



varians 



Melosira 



varians 



Meridior 



i circulare 







Navicula fulva 







»? »i 



oculata 







» n 



Ampkirynchus 







11 5? 



ambigua 



Navicula ambigua 



» 11 



biceps 







15 15 



lanceolata 







15 51 



cryptocepbala 



15 15 



cryptocephala 



»1 55 



cuspidata 







11 51 



gracilis 







11 11 



Pupula 



51 11 



Pupula 



51 11 



nodosa 







11 11 



spbaeropbora 







11 V 



Velox 



11 11 



Velox 



11 11 



amphioxys 







11 11 



ampbisbaena 







11 11 



rostrata 







Nitscbia sigmoidea 



Nitscbia 



sigmoidea 



ii ii 



vermiculacis 



ii ii 



vermicularis 



ii ii 



debilts 



ii ii 



debilis 



ii ii 



palea 



ii ii 



palea 



ii ii 



linearis 



ii ii 



linearis 



Nitschiellia acicularis 







Odontidium turgidulum 



Odontidium turgidulum 



15 1 



, byemale 







„ „ capitatum 



55 



„ capitatum 



Pinnularia maior 







5) 15 



cocconoides 







11 11 



Legumen 







11 11 



borealis 







11 11 



limosa 







11 11 



gibba 







