Hill of Uisnech, [69], [324].

Historia Britonum of Nennius, [9], [336];

of Geoffrey of Monmouth, [9], [251], [323], [324], [336], [372], [373], [374], [375], [376], [381], [384], [386].

Hittites, the, [20].

Holy Families of Britain, the Three Chief, [386].

Holy Grail, the. See Grail.

Holy wells, [414]-415.

Homeric and Celtic civilization compared, [25], [29].

Hoodie-crow, [52], [53], [169], [271].

Horse of Manannán mac Lir, [60], [88], [98];