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268 the area are suggested, the one centering around Marajo and the other in southern Brazil, but taken in its entirety, it is essentially an area of simple culture in contrast to those we have just considered.

24. Patagonia. In this area is included all the territory east of the Andes from Cape Horn up into the Pampas and the lower insular part of Chile. Its archæology is very simple and suggests that it has always been the home of a simple hunting and fisher-folk. The shell mounds continue along the coast on both sides, so that we have a continuous chain from the Orinoco around to Peru. No doubt the systematic investigation of these in the future will yield results of great value.

Considerable attention has been given to the archæology of this region, both of the coast and the interior, and certain claims to antiquity made which we shall consider elsewhere. Two types of implements have been distinguished, an older chipped type and later polished implements, but this chronological relation is not certain. Some rude pottery has been found in parts of the area, particularly on the east coast, which has some resemblance to the pottery of eastern United States. Both the stone work and pottery of the Andean margin is of a higher order than in the east. One of the distinguishing objects found throughout the open plains of the area is the stone bola. Two other artifacts of an index value are the plano-convex flaked knife and the duck-bill scraper.