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"Diagram of structure of Scopionidae (most of the appendages removed). IV. to XX., fourth to twentieth somite; IV., basis of the pedipalpi or great claws; V., VI., of two succeeding cephalic segments; T, telson of sting; a, mouth; b, alimentary canal; c, anus; d, heart; e, a pulmonary sac; f, line of ventral ganglionated cord; g, cerebroganglia." -Whitney, 1911

Scorpion Diagram

"Diagram of structure of Scopionidae (most of the appendages removed). IV. to XX., fourth to twentieth…

The Black Rock Scorpion (Scorpio (Buthus) Afer), "seen from above. At, the chelicerae, or chelate antennae; the large claws are chelate pedipalpi; Cth, cephalothorax; the first two legs are cephalic appendages, the next two thoracic; Tn, the telson or sting." -Whitney, 1911

Black Rock Scorpion

The Black Rock Scorpion (Scorpio (Buthus) Afer), "seen from above. At, the chelicerae, or chelate antennae;…