The pair of pincers or nippers, or te so-called claw, which terminates some of the limbs of most crustaceans,…
"Diagram of a lateral view of a longitudinal section of a scorpion. d, Chelicera. ch, Chela. cam, Camerostome.…
"Drawing from tlife of the Italian scorpion Euscorpius italicus, Herbst, holding a blue-bottle fly with…