Figure 7 in New contributions to the marine benthic ciliates from the Antarctic area, including description of seven new species (Protozoa, Ciliophora)

Figure 7. (A–C) Condylostoma cf. magnum and (D–H) Heterostentor coeruleus from life (D–F) and after protargol impregnation (A–C, G–H). (A) Ventral view, arrows mark the shortened kineties; (B) dorsal view, arrows mark the macronuclear nodules; (C) anterior portion of ventral view, arrow marks the paroral membrane, arrowhead and double-arrowheads point to the distal and proximal ends of adoral zone of membranelles, respectively; (D) a slightly contracted individual; (E) anterior portion, to show the appearance of the membranelles; (F) diagram of movement while attached to the bottom, arrow indicates the caudal region used as attachment area; (G, H) details of pellicle, arrows mark the pigments (cortical granules). Scale bars: 100 Mm (A, B); 30 Mm (C); 80 Mm (D).