Plate II
Fig. 11: Stylonychia putrina, ventral view. Fig. 12: Stylonychia mytilus, ventral view. Fig. 13: Steinia platystoma, ventral view. Fig. 14: Metopuses, dorsal view. Fig. 15: Halteria grandinella var. chlorelligera, ventral view. Fig. 16: Spirostomum ambiguum, right lateral view. Fig. 17: Spirostomum intermedium, right lateral view. Fig. 18: Epalxis mirabilis, left lateral view. Fig. 19: Metopus spiralis, dorsal view. Fig. 20: Ctedoctema acanthocrypta. Fig. 21: Halteria grandinella. Fig. 22: Stentor roeseli, ventral view.
Abbreviations: AC, anal cirri; AD, adhesive disc; AZ, adoral zone; CC, caudal cirri; CT, collecting tubule; CV, contractile vacuole; CY, cytopharynx; FC, frontal cirri; FV, food vacuole; LS, left side; MC, marginal cirri; MO, moniliform nucleus; N, nucleus; OD, oral disc; OG, oral groove, P, peristome; PC, peristomial cirri; RS, right side; SC, setiform cirri; T, teeth (tooth-like processes); UM, undulating membrane; VC, ventral cirri; VM, vibrating membrane; Z, zoochlorellæ.