ÖFVERSIGT AF K. VETENSK.-AKAD. FÖRHANDLINGAR 1899, N:0 8. 829 



Tahellaria flocculosa (RoTH.) KÜTZ., r. 

 Melosira tenuissima Grun. + . 



4. Saggat (near Kvikkjokk) ^o/g 1899. 



This gathering was made in the lake at a time when this 

 was plentifully fed by snow-water coming from the raountains. 

 It consisted of sand, scales of mica and parts of decayed plants 

 but no living plankton-forms, one band of Tahellaria fenestrata 

 excepted. 



I. h. Autumn-plankton of the lakes in the forest-region. 



5. Skalka, Björkholraen "/s 1896. 



Zooplankton, flagellates and diatoms not scarce. Some des- 

 mids. 

 Entomostracans: 



Bosmina ohtusir ostris G. O. Sars. 



Diaptomus graciloides LiLLJEBORG. 

 Rotatorians: 



Hydronella pygmaa Calman, r. 



Gastroschiza flexilis JäGERSKIÖld, r. 



Notholca longispina Kellicott — . 



Anurea cochlearis GosSE, r. 

 Flagellates: 



Dinohryon serüdaria Ehb. c. 

 Desmids: 



Sphcerozosma sp., r. 



Staurastrum sp., r. 

 Diatoms: 



Asterionella formiosa v. subtilis Grun. c. 



Tahellaria fenestrata (Lyngb.) Kütz., r. 

 » flocculosa (Roth.) Kütz. +. 



Melosira tenuissima Grün., r. 



6. Skalka, Framnäs 10/9 1896. 



Plankton abundant, almost exclusively formed by Dinohryon. 

 Entomostracans, desmids, diatoms scarce. 



