Why not just cut open a goat and be done with it? In ancient Rome, a special kind of priest called a haruspex would "read" the entrails of sheep to divine the will of the gods, the health of the growing season, or whatever else was weighing on the minds of men. Because animal guts don't, in fact, impart that much information about, say, next year's wheat harvest, the haruspices (called "auspices" in Latin -- from which we get the English word) could pretty much make it up as they went along. The same went for the auguries (priests who...