E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Animals sacred to special Deities.
To Apollo, the wolf, the griffon, and the crow; to Bacchus, the dragon and the panther; to Diana, the stag; to Æsculapius, the serpent; to Hercules, the deer; to Isis, the heifer; to Jupiter, the eagle; to Juno, the peacock and the lamb; to the Lars, the dog; to Mars, the horse and the vulture; to Mercury, the cock; to Minerva, the owl; to Neptune, the bull; to Tethys, the halycon; to Venus, the dove, the swan, and the sparrow; to Vulcan, the lion, etc.