No. 28. 
l. August 189. 
510 cem. 
Dinobryon divergens 
Dinobryon stipitatum 
Ceratium hirundinella 
Epistylis lacustris 
Asplanchna helvetica 
Polyarthra platyptera 
Triarthra longiseta 
Notholca longispina 
Anuraea cochlearis 
Anuraea aculeata 
Hyalodaphnia kahlbergensis 
Bosmina longirostris 
Cyclops oithonoides 
Eurytemora lacustris 
Dreissensia-Larven 
Fragilaria crotonensis 
Diatoma tenue, var. elongatum 
Synedra longissima 
Synedra delicatissima 
Asterionella gracillima 
Rhizosolenia longiseta 
Gloiotrichia echinulata 
No. 29, 
10. August 189. 
862 ccm. 
Dinobryon divergens 
Dinobryon stipitatum 
Ceratium hirundinella 
Polyarthra platyptera 
Triarthra longiseta 
Notholca longispina 
Anuraea cochlearis 
Hyalodaphnia kahlbergensis 
Bosmina longirostris 
Bosmina coregoni 
Leptodora hyalina 
1275000 
1962000 
667062 
94000 
78500 
239425 
192325 
188400 
321850 
129525 
91875 
639300 
408200 
62800 
282600 
21980000 
98125 
196250 
1275625 
95770000 
4043125 
235000 
176525 
294375 
1004800 
215975 
78500 
117750 
255125 
340167 
392500 
11775 
3000 
17,5% Cels. 
18° Cels. 
