Drilophagus and Albertia are parasitic on the surface or within the gut of Naid Oligochaete worms: Seisonaceae are ectoparasitic on the Crustacean Nebalia, Proales werneckii forms galls within the Conferva Vaucheria, and P. parasita infests the central jelly of the Phytoflagellate Volvox; P. petromyzon is a frequent commensal in the gill cavity of some Cladoceran Crustacean Eurycereus lamellatus. [Please select]
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Our mass of conferva turns out to contain one of the most elegant species. [Please select]
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We shall call it the Spiral Conferva, its scientific name being _Spirogyra quinina_. [Please select]
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We have transferred a few threads of the conferva from the bottle to the _live box_, spreading out the fine fibres with a needle, and adding a drop of water. [Please select]
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Polyps may be obtained at all times of the year by bringing home duckweed, conferva, and other water-plants from the ponds. [Please select]
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