CULEUS, in Roman Antiquity, the largest measure of capacity for things liquid, containing 20 amphoræ or 40 urnæ; equivalent to 115 gallons, 1.6 pints English. Culeus also denoted a sack or bag. Parricides were punished at Rome by being thrown into the Tiber in a sack, along with a cock, an ape, and a viper.