Ilhuicatlan (In the Sky). Column in temple at Mexico, connected with the worship of the planet Venus, [96]

Illatici (The Thunder Vase). Peruvian deity representing the thunderstorm, [301]

Inca Roca. Sixth Inca, [283]

Incas (People of the Sun). The Peruvian ruling race; a composite people, [254];
place of origin, [254];
inferior to the Mexicans in general culture, [248];
mythology of, [255]–258, [317]–327;
character of their civilisation, [259];
no personal freedom, [260];
age of marriage, [260];
their system of mummification, [262]–264;
severity of their legal code, [264];
social system, [264]–265;
calendar, [265]–266;
religious festivals, [267];
architecture, [268]–269;
architectural remains, [270]–273;
irrigation works, [273];
possessed no system of writing, [278];
the quipos, [278]–279;
as craftsmen, [279]–281;
the pottery of, [280]–281;
period and extent of their dominion, [281]–282;
fusion of the constituent peoples, [285]–286;
splitting of the race, [286];
their despotism, [290];
religion of, [291];
sun-worship of, [307]–313

Incas. The rulers of Peru, [282]–290;
the Inca the representative of the sun, [260];
unlimited power of, [260];
the moon the mythic mother of the dynasty, [262]

Inti-huasi. Building sacred to the sun in Peruvian villages, [308]

Intihuatana. Inca device for marking the date of the sun-festivals, [265]

Intip Raymi (Great Feast of the Sun). Peruvian festival, [267], [311]–312

Intipampa (Field of the Sun). Garden in which the Coricancha of Cuzco stood, [260]–261

Ipalnemohuani (He by whom Men Live). Mexican name of the sun-god, [97]