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314 human and animal forms is characteristic of Yucatan, but interesting specimens of this type have been found in the Vera Paz region, as well as the plain bird and beast forms (Fig. 70), though here both types bear a striking similarity to the Sacrificios vases. An extremely interesting vase, with a human head moulded in relief, has been found near Coban. This is exactly similar to

certain Zapotec pots, and the head and head-dress are in true Zapotec style; but the paste is different, and the vase is coated with the slate-coloured earth-glaze, mentioned above, which has never been found in the Zapotec area. All indications seem to prove that it was made locally, and if this is so, it affords a striking instance of the borrowing of forms and illustrates the danger of basing arguments as to tribal migration on pottery types alone, though it provides a valuable hint