children sacrificed to volcano in, v. 219
Sibaia, a good spirit in Nias, viii. 276
Siberia, the Jukagirs of, i. 122; the Buryats of, ii. 32;
the Orotchis of, iii. 232;
the Samoyeds of, iii. 353;
the natives of, will not call bears by their proper name, iii. 398;
Eastern, the Gilyaks of, viii. 190;
North-East, the Chuckchees of, viii. 221;
North-East, the Koryaks of, viii. 232;
marriage custom in, x. 75;