A locality arrangement slide from Moulton, California. Prepared by Northern Biological Supplies. Mounted in Clearax. I’m not sure where Moulton is. There is a Mouton Weir to the North West of Sacramento, so perhaps that is it.
Olympus BHB microscope using 450nm LED light. 10x Nikon Plan Apo NA 0.45 objective. Olympus Aplanat Achromat condenser, brightfield lighting. 2.5x Nikon CF PL photoeyepiece. Monochrome converted Nikon d850 camera. 24 images stacked in Zerene (Pmax).