Ja-nic´u-lum, Roman fortress on the Janiculus, a hill on the other side of the Tiber, [281].

Ja´nus, a deity from the earliest times held in high estimation by the Romans, [10], [281];

temple of, [277].

Ja-pan´, [326].

Ja´phet (Iapetus), [18].

Ja´son, leader of the Argonauts, seeking the Golden Fleece, [130]-[133], [134], [135], [136], [138]-[139], [151].

Ja´va, [326].

Jo-cas´ta, [124], [182].

Jo´seph of Arimathea, who bore the Holy Graal to Europe, [506].

Jo´tun-heim, home of the giants in Northern mythology, [330], [335], [348].