"This order, sometimes called the <em>Pedipalpi</em>, or <em>feet-feelers</em>, and which derives its name from the Greek <em>polus</em>, many <em>mera</em>, divisions, and <em>somata</em>, bodies, includes two families, the first of which is the <em>Scorpiondae</em>, characterized by their elongated tail-like abdomen, armed at its extremity with a sort of hooked claw, which, when the creatures are in motion, is always carried over the back in a most threatening attitude." &mdash; Goodrich, 1859

Scorpion

"This order, sometimes called the Pedipalpi, or feet-feelers, and which derives its…