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72 what is known as the glazed type. Since this glaze does not cover the entire surface, its use could not have been to make vessels water-tight. Glazed ware has also been reported from Totonac sites near Vera Cruz and also from the vicinity of Coban, Guatemala.



However, when we turn to pottery paints the New World takes high rank. A brief visit to a museum will make this point clear. The only place where aboriginal pottery of the higher type survived the Conquest is in southwestern United States, and it is from here that most of our knowledge of processes comes. Here we find the paints of both vegetable and mineral origin, the reds and yellows from iron, the blacks from juices of plants. By proper firing, the desired colors could be made permanent. On the whole, aboriginal clay work was almost exclusively limited to ornamental and useful



vessels, though in a few localities in the United States the stone pipe gave way to one of clay and in certain parts of Mexico true bricks were made.

Our consideration of pottery forms may properly begin with the United States. On the whole, wherever pottery is extensively manufactured, there is considerable variety of form,