... Calling Crabs? I must ask the reader to conceive a moderate-sized crab, the front of whose carapace is very broad and almost straight, with a channel along it, in which lie, right and left, his two eyes, each on a footstalk half as long as the breadth of his body; so that the crab, when at rest, carries his eyes as epaulettes, and peeps out at the joint of each shoulder. But when business is to be done, the eye-stalks jump bolt upright side by side, like a pair ... — At Last • Charles Kingsley