Scorpion Small 320×152 Medium 640×303 Large 1024×486 Download Tiff Original 2400×1138 | (2.6 MB) Description Scorpions are characterized by having a distinctly segmented abdomen, which passes into the cephalothorax, without any well-marked line of boundary. Keywords Arachnida, Arachnids, Arthropoda, Pedipalpi, Scorpion Galleries Spiders, Mites and Scorpions Source: H. Alleyne Nicholson, An Introductory Text-book of Zoology(Edinburgh:William Blackwood and Sons, 1971) 77