Acta Societatis pro Fauna et Flora Fenniea, XVIII, n:o 6. 



M. Wittr. 



Desmidiacese : L> am sc : Ag. 



Bambusina brebissorm Ktzg. 

 Hyalotheca d us Sm. 



ozosma secedens Bary. 

 Closterium directum Ar. 



datum Ktzg. 

 C. striolatum Ehrbg. 

 ( '. acutum Breb. 

 Petii" - idi Breb. 

 Xanthidium an Breb. 



Cosnvi- -p. 



Sw Kalf?. 



£". oww Half? 



A\ elegans Breb. 

 22. fo'naZe Ralfs. 

 31 nticulata Bre 



-tnr,), ■,(») Breb. 



polymorphum Breb. 

 >. '• Ralfs. 



Men. 

 Arifa Hass 



Diatom acea?: TabeUaria ffa Ktzg. 



Mastigophora: MaUomonas plceslii Perty. 

 £«<#/• i ;,/;. Ehrbg. 



m Ehrbg. 

 'chelomonas vclvocma Eh; _ 

 Distigma tenaa < >. F. M. 

 Tropidoscypkus octocostatus Stein. 

 Spotujomonas discus Stein. 

 yptomonas ovata Ehrbg. 

 Dinobryon sertularia Ehrbg. 

 Synura uvetia Ehrbg. 

 Gonium perforate Ehrbg. 

 Carteria cordiformis Cart. 

 Chlamydomonas sp. 

 Peridinium tabulation Ehrbg. 



