FIGURES 15–48 in Orthoseira variabilis sp. nov., a new diatom from a snow patch in Potter Cove, King George Island, Antarctica

FIGURES 15–48. Orthoseira variabilis sp. nov. LM. Specimens in valve view. Figs 24–25: Holotype. Figs 46–48. Same specimen in three different focus levels; note the marginal spines. Figures marked with "=" are the same valves with a different focus. Scale bar: 10 µm (Scale bar is the same for Figs 15–45 and for Figs 46–48).