Figure 3 in A zoologist's perspective on Robert Hooke's Micrographia (1665) studies of marine and terrestrial invertebrates, and his contemplations on invertebrate "generation" and mutability

Figure 3. Dorsal and ventral aspects of the same male individual of a harvestman (Arthropoda: Chelicerata: Opiliones), most likely Leiobunum rotundum (Latreille). Engraving reproduced by permission of the Rare Book and Manuscript Library of the University of Pennsylvania.