"And ... gentlemen, each of these beings was globular in shape, with rounded back and sides, four arms and four legs, and two faces, both the same, on a cylindrical neck and one head, with one face on one side and one the other, and four ears, and two lots of privates, and all the other parts to match. They walked erect, as we do ourselves, backward and forward, whichever they pleased, but when they broke into a run they simply stuck their legs straight out and went whirling round and round like a clown turning cartwheels. And since they had eight legs, if you count their arms as well, you can imagine that they went bowling along at a pretty good speed."

Socrates, Symposium, 190a, Michael Joyce trans., Plato, the Collected Dialogs, Princeton U. Press, Second Printing.