Italian Inverted Microscope (circa 1868)


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Vorticella (Protozoa) Movies

Vorticella Video No. 1 - Eight vorticellas, attached to a bit of pond detritus, coil and uncoil in synchrony; under oblique illumination with a playing time of 19.2 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 (1.82 MB).

Vorticella Video No. 2 - Vorticellas stretch out from their attachment site to feed, then suddenly retract in response to a disturbance; under oblique illumination 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 (7.05 MB).

Vorticella Video No. 3 - Coiled stalks and beating cilia can be clearly viewed in this small group of feeding vorticellas; under phase contrast illumination at a magnification of 20x with a playing time of 46.7 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 (10.1 MB).

Vorticella Video No. 4 - A small group of vorticellas bounce and sway through the water as they feed; under phase contrast illumination at a magnification of 10x with a playing time of 36.8 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 (4.99 MB).

Vorticella Video No. 5 - A cluster of vorticellas simultaneously emerge from their coiled state, secured to an attachment site; under oblique illumination with a playing time of 11.0 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 (2.12 MB).

Vorticella Video No. 6 - Two vorticellas gather food, using their cilia to sweep particles into their mouth openings; under phase contrast illumination at a magnification of 60x with a playing time of 14.5 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 (3.48 MB).

Vorticella Video No. 7 - Individual vorticella observed collecting food; under darkfield illumination at a magnification of 40x with a playing time of 67.9 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 (17.4 MB).

Vorticella Video No. 8 - The translucent bells of vorticellas come into view as they bob and weave during feeding; under darkfield illumination, at a magnification of 10x with a playing time of 33.4 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 (7.75 MB).

Vorticella Video No. 9 - A silhouetted view shows the bell shape that is distinctive of Vorticella; under oblique illumination with a playing time of 30.6 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 (6.28 MB).

Vorticella Video No. 10 - A cluster of vorticellas, attached to vegetation, coil and stretch their stalks; under oblique illumination with a playing time of 26.6 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 (11.5 MB).

Vorticella Video No. 11 - A cluster of vorticella feed on tiny organisms and occasionally retract on their stalks; under oblique illumination with a playing time of 28.9 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 (12.5 MB).

Vorticella Video No. 12 - A vorticella uses its cilia to bring food into its mouth; under darkfield illumination at a magnification at 40x with a playing time of 47.7 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 (12.6 MB).

Vorticella Video No. 13 - A cluster of vorticellas, attached to vegetation, feed and react to other pond organisms; under oblique illumination with a playing time of 17.5 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 (2.35 MB).

Vorticella Video No. 14 - Waving cilia create currents bringing particles of food into the mouths of two vorticellas; under phase contrast illumination at a magnification of 40x with a playing time of 26.0 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 (6.02 MB).

Vorticella Video No. 15 - Several vorticellas coil and stretch as other organisms swim by; under phase contrast illumination at a magnification of 20x with a playing time of 10.3 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 (1.84 MB).

Vorticella Video No. 16 - Vorticellas stretch out from their protective coiled state next to their attachment site; under oblique illumination with a playing time of 34.4 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 (14.8 MB).

Vorticella Video No. 17 - Vorticellas stretch out from their attachment site to feed on tiny organisms; under oblique illumination 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 (9.33 MB).

Vorticella Video No. 18 - A small group of vorticellas, part a cluster attached to an aquatic plant, coil in response to an unseen stimulus; under oblique illumination with a playing time of 10.1 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 (2.54 MB).

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