355 



Ciliata: 



Colpidium sp.(?) 



Paramoecium Bursaria Ehr. 



Stent or coerulus Elir. 



Vorticella sp.(?) 

 Gastotricha: One form belonging to this group was abundant. 

 Crustaeeae: 



Copepoda — 



Cyclops bienspidatus. 

 Algae — classified after Conn and Webster. 

 Cyanophyceae (Blue-green) : 



Oscillatoria subtilissima Ktitz. 



Oscillatoria aeruginoso caerulea. 



Merisrnopedia nagelii. 



Microcystis aeruginoso Kiitz. 



Nostoc rupestre Kiitz. 



Nostoc rupestre sp.(?) 

 Chlorophyceae (Green Algae) : 



Scenodesmus eaudatus. 



Pediastrum pertusurn var. clarthratum A. Br. 



Pediastrurn Boryanum Turp. (two types). 



Pediastrum Boryanum Turp. var. granulatum Kiitz. 



Ulthorix sp.(?) 



Zygnemeae stellium var. genuinum Kirch. 



Spirogyra variens (Hass) Kiitz. 

 Heterokontae (YeUow green) : 



Tribonema minus (Wille) Raz. 

 Baeillarieae (Diatomaceae) classified after Wolle: 



Navicula SiUimanorum Ehrb. 



Navicula TabeUaria. 



Navicula TabeUaria var. Macilenta. 



Gomphonema Geminatum (two types). 



Asterionella Formosa. 



Asterionella Formosa var. Ralfsii (two types) 



Asterionella Formosa var. Bleakeleyi. 



Asterionella Formosa var. Graeillima. 



Fragalaria Capucina Desmaz. 



Stephanodiscus Niagara Ehr. (two types). 



