George Adams Variable Microscope (circa 1770s)


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Peranema (Protozoa) Movies

Peranema Video No. 1 - A peranema swims across the microscope field, flicking the tip of its flagellum and compressing its body; under phase contrast illumination at a magnification of 100x with a playing time of 23.2 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 (10.0 MB).

Peranema Video No. 2 - A peranema swims across the microscope field, flicking the tip of its flagellum; under phase contrast illumination at a magnification of 100x with a playing time of 30.2 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 (6.39 MB).

Peranema Video No. 3 - A swimming peranema encounters a large chunk of pond debris and is forced to change direction; under darkfield illumination at a magnification of 400x with a playing time of 22.4 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 (7.12 MB).

Peranema Video No. 4 - A peranema swims alongside a horde of other microorganisms; under darkfield illumination at a magnification of 400x with a playing time of 19.1 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 (8.46 MB).

Peranema Video No. 5 - A peranema explores its environment and may be having a meal, folding itself over to capture and consume prey by phagocytosis; under darkfield illumination at a magnification of 400x with a playing time of 72.2 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 (13.6 MB).

Peranema Video No. 6 - A peranema appears to explore its environment, touching debris and other microorganisms with its flagellum as it swims; under darkfield illumination at a magnification of 400x with a playing time of 44.9 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 (7.26 MB).

Peranema Video No. 7 - A swimming peranema against a background of smaller microorganisms; under darkfield illumination at a magnification of 200x with a playing time of 22.3 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 (3.29 MB).

Peranema Video No. 8 - A peranema swims across the microscope field, flicking the tip of one of its two flagella, which looks like a shimmering ribbon; under darkfield illumination at a magnification of 400x with a playing time of 40.7 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 (2.26 MB).

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