Examples of microscope slides from the Karl Verhoeff collection bearing dissected parts of the anatomy. ZMB 3840a–k, the complete type series of slides belonging to Parascutigera dahli Verhoeff, 1904 collected by Friederich Dahl from Ralum in Papua New Guinea; Verhoeff slide numbers 2824–2834. Type material in the slide collection is marked with red lines on the labels and usually complements alcohol material.