In my last water sample from the La Salle river I was lucky enough to capture a number of Stentor coeruleus. These large bluish-purple Stentors can be spectacular when observed under a stereoscope with a higher power but the detail doesn't show up till you get them under a coverslip. With careful observation you can see the moniliform macronucleus, the oral ciliature and membranelles, cortical rows and the contractile vacuole.
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