———, its use in heaven, [55]

India, Church of, [87]

Indulgences, [109], [118]

Innocent III., [107]

Inquisition, Origin of, [107]

Interdict, England placed under, [147]

Investiture, Disputes about, [106], [147]

Iona, Monastery of, [76]

Ireland, Church of, its early history, [74]

———, its Liturgy and customs, [78], [151]