45 
Cyclops oithonoides 264750 
Eurytemora lacustris 58875 
Dreissensia-Larven 366333 
Fragilaria cerotonensis 209000 
Asterionella gracillima 235500 
Clathrocystis aeruginosa 183167 
Anabzxna flos aqux 104667 
Gloiotrichia echinulata 470000 ! 
No. 30. 
20. August 1895. 18,50 Cels. 
157 ccm. 
Dinobryon divergens 78500 
Dinobryon stipitatum 22550 
Eudorina elegans 4710 
Ceratium hirundinella 353250 
Polyarthra platyptera 185653 
Triarthra longiseta 52000 
Mastigocerca capucina 8831 
Notholca longispina 32185 
Anuraea cochlearis 78500 
Anuraea longiseta 29438 
Hyalodaphnia kahlbergensis 77452 
Bosmina longirostris 264938 
Bosmina coregoni 19887 
Cyclops oithonoides 480812 
Larven desselben 471000 
Eurytemora lacustris 55473 
Dreissensia-Larven 103620 
Fragilaria erotonensis 29438 
Gloiotrichia echinulata 70650 
No. 31. 
l. September 1895. 17° Cels. 
196 cem. 
Dinobryon stipitatum 72220 
Peridinium tabulatum 12036 
Ceratium hirundinella 956130 
Theilungsstadien desselben 60183 
