An arrangement of five Auliscus sculptus between two other diatoms (I think Tripodiscus sp.). 1 viewed from the top, 2 from the underside, and 2 from the side. Prepared by Watson and Sons Ltd. Olympus BHB microscope using 450nm LED light. For the one viewed from the top, 63x Leitz Pl Apo 1.4 objective, oil immersion. Olympus Aplanat Achromat condenser, oil immersion, oblique lighting. 2.5x Nikon CF PL photoeyepiece. Monochrome converted Nikon d850 camera. 29 images stacked in Zerene (Pmax).