FIG. 18. L embadion curvatum n in Ciliated protozoa from a volcanic crater-lake in Victoria, Australia

FIG. 18. L embadion curvatum n. sp. Schematic representation of the infraciliature of (A) the ventrum, and (B) the dorsum of the cell, as seen after silver-carbonate impregnation. Note that the ventral surface has been drawn to show clearly the di€erent parts of the infraciliatureÐfor this purpose the caudal pole of the cell is slightly shifted towards the reader in order to show the arrangement of the caudal cilia around the pole. PO1, PO2, paroral kineties. PK, oral polykinetid. L1, L2, L3, argentiferous longitudinal lines that separate the silver-impregnated ribs supporting the cytostome. CC, caudal cilia.