OSSIAN OLOFSSON 



Prül)e 230. — Teicli XX d. -'Vs. Im freien Uasser. Netz Nr. 25. 

 Cruötacea. Rotatoria. 



ccc — Pol//<(rflira frigla. 



Tiirbellai'ia 



c — Ddphuia pulex. 

 + — ChydorHS spluericns. 

 ec — Enryleinora rahoti. 

 r — Marcenohiofiis hrucei. 



IT. 



Probe 231. — Teich XX d. "Vs. In der Moosiand Vegetation. Netz Nr. 25. 



Crustacea. 



r — Daphnia pidex. 



rr — Macrothrix arctica. 



cc — Chydorus sphwricns. 



c — Eiirytemora rahoti. 



rr — Cyclops crassicaiidis. 



rr — Maramobiotus hrucei. 



rr — Candona rectanyulata. 



Rotatoria. 



r — Folyaiihra trigla. 

 + — Mytilina mucronata. 

 r — Metopidia lepadelhi. 

 r — Nofliolca foliacen. 

 rr — Unbest. Art. 



Turbellaria — r. 

 Nematoda — rr. 

 Diptera. 



r — Chiroiioiiius-LüYven 



Aloen, 



rr — Desmidiacese. 

 rr — Bacillariacese. 

 r — Hydrodictyaceae. 

 + — Fadenalgen. 

 + — Blaugrüne Algen, Spo- 

 renstadien etc. 



Daphnia pulex. 



'I' 



A + B 

 V 



Probe 111 



25b 

 253 

 228 

 219 



150 

 146 

 139 

 139 

 136 

 133 

 133 

 126 

 105 



167 

 156 

 143 

 146 



Ohne Eph. 



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