Incubation, [180]

India, [58], [90], [127], [139], [141]

Indra, [34], [155], [177]

Initiation ceremonies, [161] ff.

Irish sacrificed first-borns, [142]

Isis, [39] ff., [51], [109], [127], [165]

Islam. See Mohammedanism.

Israel, [201], [222], [230], [237], [249]

Jacob, [168]

Jains, the, [61], [188]