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Spirostomum (Protozoa) Movies
Spirostomum Video No. 1 - A Spirostomum organism revolves slowly as it swims, its dense covering of cilia creating the appearance of spiral bands; under phase contrast illumination at a magnification of 200x with a playing time of 26.9 seconds. Choose a playback format that matches your connection speed: 28.8k (modem), 56.6k (modem), or T1/Cable/DSL, or download this video clip in MPEG format (6.88 MB).
Spirostomum Video No. 2 - A Spirostomum organism winds its way through pond detritus; under darkfield illumination at a magnification of 100x with a playing time of 22.2 seconds. Choose a playback format that matches your connection speed: 28.8k (modem), 56.6k (modem), or T1/Cable/DSL, or download this video clip in MPEG format (2.32 MB).
Spirostomum Video No. 3 - A Spirostomum organism slowly revolves as it moves back and forth across the miscroscope field; under phase contrast illumination at a magnification of 200x with a playing time of 49.9 seconds. Choose a playback format that matches your connection speed: 28.8k (modem), 56.6k (modem), or T1/Cable/DSL, or download this video clip in MPEG format (13.9 MB).
Spirostomum Video No. 4 - A slow-moving spirostomum provides an opportunity to observe the dense layer of beating cilia along its periphery; under phase contrast illumination at a magnification of 200x with a playing time of 25.0 seconds. Choose a playback format that matches your connection speed: 28.8k (modem), 56.6k (modem), or T1/Cable/DSL, or download this video clip in MPEG format (7.62 MB).
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