Featured Microscopist: Spike (M.I.) Walker

Desmid Algae (Micrasterias rotata)

Micrasterias rotata, desmid algae

The specimen was taken from an almost pure culture in a flooded hoof print, which was also home to several frog tadpoles. The objective utilized to capture this photomicrograph was 25/0.65 planapochromat coupled to a dry darkfield condenser. Illumination was provided by a 12-volt 100-watt tungsten halide lamp. The microscope was a Zeiss Ultraphot III equipped with an automatic 35 millimeter photohead. The film was Fujichrome Velvia. (63x)

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