The remainder of the arthropods are grouped here. Member of the class Arachnida include the scorpions, whip scorpions, false scorpions, true spider, sun spiders, harvestmen, mites, and ticks, some of which are shown in Fig.15-1. The class Merostomata is represented by the so-called horse-shoe or eastern king crab Xyiplosura, Fig.15-1G. Finally, the two subclasses, Chilopoda and Diplopoda, which in clued the centipedes and millipedes, are depicted in Fig.15-1, H and I.