Summary: | Figure 16. Photomicrographs of (A–F) Amphisiella antarctica nov. spec. and (G–L) Hemigastrostyla szaboi nov. spec. after protargol impregnation. (A) Ventral view of buccal region, to show the ventral row (arrow); (B) macro- and micronuclei (arrows); (C, E) buccal area, to show the argentophilic granules along the undulating membranes (arrows and arrowheads); (D) caudal portion, to show the transverse and caudal cirri; (F) ventral view, arrow marks the micronucleus; (G) nuclear apparatus, arrows indicate the micronuclei; (H) to show the fibres associated with the marginal cirri; (I) ventral view of posterior cell end, to show the transverse cirri, note that there is no gap between right marginal row and the transverse cirri; (J) ventral view, to show the general appearance of infraciliature; (K) ventral view, to show a slender form, arrow indicates the distal end of adoral zone of membranelles; (L) ventral view of caudal region, arrow marks the transverse cirri.
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