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204 GREEK DIVINATION

examined the livers of animals before pitching a camp or selecting the site for a town, because the salubrity of the locality would reveal itself in the condition of the entrails of the herds pastured there. If it were found that disease had affected the sheep or cattle, it was to be regarded as probable that the place was unhealthy.1

1 Vitruvius, De arch. i. 4. 9.