FIGS 4 in Ciliated protozoa from a volcanic crater-lake in Victoria, Australia

FIGS 4±7. Chlamydodon mnemosyne, a ciliate with ciliature on the ventral surface only, as seen after silver-carbonate impregnation; (4, 5, 7) ventral surface; (6) dorsal surface; (7) specimen during cell division. Arrowheads to the contractile vacuole pores. DK, dorsal kinety; OA, oral aperture; Pe, peri-oral kineties; Pr, pre-oral kinety; R, striated band surrounding the perimeter of the cell, and known as the`rail road track' (see text). Scale bars: 10 mm.