FIGS 31 in Ciliated protozoa from a volcanic crater-lake in Victoria, Australia

FIGS 31±33. Protargol silver impregnation; (31) Oxytricha multigranulosa. AZM, adoral zone of membranelles in the oral region; (32, 33) Oxytricha salmastra; (32) ventral surface. Arrowheads to the cirri, and to the right and the left marginal row of cirri. Ma, macronucleus; (33) dorsal surface of the same specimen. Arrowheads to the dorsal kineties, of which the one at the far right of the photograph is shorter. Cc, caudal cilia. Scale bar: 20 mm.