A strew of Diatoma vulgaris (written as vulgare on the slide) from Saxony. No makers name. Olympus BHB microscope using 450nm LED light. As well as the wider arrangement I one with the 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. 12 images stacked in Zerene (Pmax).
Diatoma vulgaris Bory 1824. Published in: Bory de Saint-Vincent, J.B.G.M. (1824). Diatome. Diatoma. In: Dictionnaire Classique d’Histoire Naturelle. CRA-D. (Audouin, I. et al. Eds) Vol. 5, pp. 461. Paris: Rey et Gravier; Baudouin Frères. Page 461, Figure 1 [on pl. opposite].