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62 Levander, Uber das Plankton eines fliessenden Wassers. 5. III. 1910.<br />

Mallomonas caudata Iwanoff, rr.<br />

Synura uvella Ehrbg, +.<br />

Gonium pectorale Miill., r.<br />

Eudorina elegans Ehrbg, r.<br />

Sarcodina.<br />

Arcella vulgaris Ehrbg, rr.<br />

Cyphoderia ampulla Ehrbg, rr.<br />

Acanthocystis turfacea Cart., rr.<br />

Ciliata.<br />

Epistylis nutans Ehrbg, r.<br />

Rotatoria.<br />

Synchaeta sp., r.<br />

Euchlanis dilatata Ehrbg, +.<br />

„ triquetra Ehrbg, rr.<br />

Dinocharis pocillam Ehrbg, rr.<br />

Monostyla lunaris Ehrbg, rr.<br />

Anuraea cochlearis Gosse, +.<br />

Cladocera.<br />

Macrothrix laticornis (Jur.), $, rr.<br />

Acroperus harpae Baird, r.<br />

Lynceus guttatus (G. O. Särs), rr.<br />

Graptoleberis testudinaria (S. Fischer), rr.<br />

Chydorus sphaericus (Miill.), r.<br />

Ausserdem wurden am Ufer zwischen Wasserpflanzen<br />

noch die folgenden Tiere gefängen:<br />

Cladocera. Ceriodaphnia pulchella G. O. Särs, Simo-<br />

cephalus vetulus Schödler, Chydorus sphaericus (Miill.), Acro-<br />

perus harpae Baird, Peratacantha truncata (Miill.).<br />

Copepoda. Cyclops varius Lillj.<br />

Isopoda. Asellus aquaticus L.<br />

Amphipoda. Gammarus pulex L.<br />

In se et a. Gyrinus bicolor Payk.<br />

Mollusca. Ancylus lacustris L., Planorbis sp.

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