Origin of agriculture, i. 128 sq.;
of astronomy, 307
Orinoco, Indians of the, i. 124, 310, ii. [150], [236]
Orion, the constellation, i. 315
Orion's belt, i. 313, 315, 317
—— sword, i. 317
Orotchis, bear-festivals of the, ii. [197]
Osculati, G., ii. [285]
Osiris, i. 214, 215, 259 sqq.;
his relation to Dionysus, 3, 32;