Before proceeding to investigate the symbol further, I would point out the general resemblance of the vase, especially as a conventionalized serpent's jaw, to the "horse-shoe" shape of the problematical stone "yokes" which have been so thoroughly studied by Dr. Hermann Strebel of Hamburg (Studien ueber Steinjoche aus Mexico and Mittel-Amerika. Internationales Archiv, bd. III, 1890). Mr. Francis Parry has advanced a view concerning the meaning of these curious "sacred stones."(9) This is somewhat corroborated, as will be shown, by my recent studies, which seem to indicate pretty clearly that these symbolical objects pertained to the cult of the earth-mother. A fact of unquestionable importance, cited by Mr. Parry, is the certified existence and use, amongst southern Californian Indians of the present day, of a rudely worked stone of the same shape, in a native religious rite. The owner of one of these stones, Mr. Horatio Rust, a pioneer resident of Pasadena, southern California, exhibited it in the Anthropological Section of the World's Columbian Exposition, at Chicago, 1893, and informed me how he had observed that, occasionally, a native assembly took place at a certain spot on a mountain side, during which invocations and offerings were made. He ascertained that the ceremony on one occasion was the equivalent of the puberty-dances of similar California tribes. Having visited and examined the spot after one of these celebrations, in which six young girls, decorated with garlands of flowers, were the chief participants, he found the "sacred stone," concealed and surrounded by offerings of corn, meal and pieces of money. The version published by Mr. Parry is slightly different to this account, which was given me by Mr. Rust himself.
In order fully to appreciate the close analogy between the Californian ceremonial offering of maize and meal to the emblematic stone and the ancient Mexican ritual offerings of seeds to an idol, holding a bowl or vase, it is necessary to read the following data. At the same time I would like to mention here that amongst the Hupa Indians of California, who have been termed "the Romans of Northern California by reason of their valour and far reaching dominions," we find that "flakes or knives of obsidian or jasper, sometimes measuring 15 inches or more in length, are employed for sacred purposes and are carried aloft in the hand in certain ceremonial dances, wrapped with skin or cloth. Such knives are esteemed so sacred that the Indians would on no account part with them, and Mr. Stephen Powers found that they could not be purchased at any price."(10)