— 237 — 





Lomnæssjon 



Harsjön 





1900 



1899 



1900 



1899 





n 



IS 



n 





QriViairrwricmi vprtphro til m fRvpV) ^ Ralfe: 







rr 





Q+oni'Qctrnm r-rpnnlptnm fTVäcrl ^ T)p1i~) 







r 



rr 



— gracile Ralfs . 



(rr) 







• r 



furcigerum Bréb 











— lunatum Ralfs 







rr 





mesracanthum Lund 







rr 



* rr 



ophiura Lund 







• rr 



. rr 



pseudosebaldi Wille 









rr 



Xanthidium antuopæum (Breb.) Kutz 



(rr) 



rr 



. rr 



r r 



Phæophyceæ. 



















r 



Dinobryon divergens Inihof. 



Q 









Stichogloea olivacea Chodat 



rr 



r 



c 



Q 



Bacillariaceæ. 











Fra o'i Iii rî a rann ein a Oft sin 







rr 



rr 



virescens Ralfs 







rr 



rr 



Tabellaria fenestrata (Lyngb.) Kütz 



+ 



r 



r 



r 



— flocculosa (Roth) Kütz 



4- 



r 



Y 



rr 



Synedra ulna (Nitzsch.) Ehbg 



4- 



rr 



rr 



rr 



Asterionella formosa Hass. v. çracillima 



4- 









Surirella biseriata (Ehbg.) Bréb 







rr 



rr 



Melosira granulata (Ehbg.) Ralfs 



rr 





TI* 



rr 



Myxophyceæ. 











Aphanizoinenon sp. (^) 







4- 





Goelosphærium Nægelianum Unger 







cc 



+ 











rr 









rr 



+ 



Microcystis incerta Le mm 









rr 



stagnalis Lemm 







rr 



r 









ri- 



r r 



Animals 



CC 



CC 



ce 



CC 



Note. cc denotes predominant, c = common, -f = rather common, r = rare, 

 rr = very rare (only a few specimens seen). 



Letters enclosed in brackets indicate that the specimens were dead and empty. 

 The Desmids which are marked with a dot ', have been revised by Mr.Börgesen. 

 Botanisk Tidsskrift. 25. Bind. IG 



