The goat to Bacchus, because he fed on vines.

Diana was propitiated with a stag; and to Venus the dove was consecrated.

The infernal and evil deities were to be appeased with black victims.

The most acceptable of all sacrifices was the heifer of a year old, which had never borne the yoke.

It was to be perfect in every limb, healthy, and without blemish."-- "Elgin Marbles," vol.i.p.