Hydra. See Heracles.

Hylas. Beautiful youth, beloved by Heracles, and carried off by the water-nymphs.

Hymenaeus. The God of marriage.

Hymettus. Mountain of Attica, famous for marble and bees.

Hyperbolus. A disreputable Athenian demagogue, murdered 411 B.C.

Hyperboreans. A mythical people dwelling beyond the North wind in perpetual sunshine and happiness. Magical powers were attributed to them.

Hyperides. Athenian orator, generally acting with Demosthenes, though he accused him on one occasion. His tongue was cut out and he was executed by Antipater.

Iambūlus. A Greek writer on India, sufficiently characterized in The True History(3). 'Oceanica' is not an actual title.

Iapĕtus. A Titan, brother of Cronus, and father of Prometheus.