Dorsal infraciliature of Cyrtolophosis mucicola (Stokes, 1885).The sparse (~10) slightly spiralled somatic kineties are seen here.Collected from a freshwater pond near Boise, Idaho.June 2005). Stained by the silver carbonate technique (see Foissner, W. Europ. J. Protistol., 27:313-330;1991). Brightfield. This image was taken by William Bourland. He now uses a Zeiss Axioskop 2 with Spot Insight and Spot Flex CCD cameras (Diagnostic Instruments). Image copyright: William Bourland, image used under license to MBL (micro*scope).
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From the collection
Freshwater and Terrestrial Microbes of Idaho (USA) and Elsewhere
|Description of Cyrtolophosis mucicola: Ciliate usually in mucous tube, cell about 18-40 x 9-15 microns, usually 20-30 x 9-11 microns, very flexible and about 30 % of length contractile. Body ellipsoidal to ovoid, unflattened, distinctly excavated by oral apparatus in anterior third. Individuals swimming for longer periods usually become fusiform, those being contracted or degenerating become stouter. Macronucleus near mid-body, globular. Contractile vacuole subterminal, that is, about one quarter of body length from posterior end. Extrusomes very small (|