Beitrage zur Kenntnis der Diatomeenflora des Kossogolbeckens. 



97 



t 



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Kossogol-See. 



Navicula Bacillum 



„ minor . . . . 



bisulcata 



borealis 



Brebissonii 



,, subproducta. 



cincta angusta . . . . 



costulata 



crucicula 



cryptocephala . . . . 

 „ pumila . . 



cuspidata 



dicephala 



elliptica 



grosse- punctata 



j> 



?> 



>> 



ladogensis 



minima 



fasciata 

 Gastrum 



>> 



Placentula 



gibbula . 

 gracillima 



hungarica luneburgensis 



incurva 



lridis amphigomphus 



„ ampliata . . 



„ dubia . . . 



Lacunarum . . . 



Ianceolata .... 



curta 

 phyllepta 

 „ producta 



limosa gibberula 



ventricosa . 



>» 



>: 



>» 



lucidula 



major 



mesolepta Termes . 

 nobilis gentilis . . 



oculata 



oblonga 



„ subparallelar 



peregrina Menisculus , 



»> »> 



Pseudo -bacillum . , 



Pupula 



radiosa 



Baikal. 



tn 



■ 



V 



c 



~ 



u 



V 





c 



"35 



< 



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o 



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f. upsalicnsis 



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Hedzvigia Band XL VII 1. 



