De microscopische leven in het water, deel II, 25 microscoop glijbanen

7050 The Microscopic Life in the Water, Part II Supplementary to Set No. 7000 – 25 Microscope Slides 1. Arcella, shelled ameba 2. Vorticella, a stalked ciliate 3. Colpidium, a common holotrich ciliate 4. Spongilla, fresh water sponge, t.s. showing channels 5. Planaria, fresh water flat worm, t.s. of body 6. Tubifex, a fresh water oligochaete 7. Plumatella, moss animal, section of colony 8. Cyclops, nauplius larva w.m. 9. Culex pipiens, common mosquito, larva w.m. 10. Sphaerotilus natans, bacteria from putrid water forming chains 11. Nostoc, blue green alga with heterocysts 12. Anabaena, filamentous blue green alga 13. Gloeocapsa, small colonies within sheaths 14. Rivularia, blue green alga with basal heterocysts 15. Beggiatoa, a colourless alga showing lack of chlorophyll 16. Zygnema, filamentous alga with stellate chloroplasts 17. Cosmarium, desmid showing the typical isthmus 18. Chlamydomonas, biflagellate alga 19. Haematococcus, unicellular red algae 20. Hydrodictyon, water-net 21. Chlorella, unicellular green alga 22. Dynobrion, a golden alga forming colonies 23. Mixed plankton, strewn slide No. I 24. Mixed plankton, strewn slide No. II 25. Mixed plankton, strewn slide No. III

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ECOLOGY AND ENVIRONMENT