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. Author manuscript; available in PMC: 2010 Oct 1.
Published in final edited form as: Acta Protozool. 2008;47(4):317–52.

Figs 8.

Figs 8

a–g. Oxytricha arabica from life (a–d) and after protargol impregnation (e–g). a, d – ventral view of a representative specimen, length 110 μm. The posterior half is highly refractive and thus dark due to masses of crystals (d) and lipid droplets; b, c – when touched by the coverslip, specimens become elongate ovoid (b) and contract ellipsoidally (c) when touching an obstacle. Drawn to scale; e, f – infraciliature of ventral and dorsal side and nuclear apparatus of holotype specimen, length 110 μm. Arrow marks first postoral cirrus very close to the buccal vertex, arrowhead denotes gap in dorsal kinety 1; g – ciliary pattern of dorsal side of a paratype specimen with only one micronucleus. The split kinety 3 is connected by a dotted line; arrowhead marks gap in kinety 1. Note condensation of kinetids in end region of kineties 1 and 2. CC – caudal cirri, LD – lipid droplets, MA – macronucleus nodules, 1–5 – kinety numbers. Scale bars: 50 μm (a, e, f) and 30 μm (g).