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102
THE AMERICAN INDIAN
The disconnection of these two centers in the face of their common structural characteristics presents an interesting problem as to how much of this is due to borrowing. If we
Fig. 51. Groundplan of the House of the Nuns, Uxmal, Yucatan.
Morgan, 1881. I
take a little broader view, we shall find certain more widely distributed building concepts. First, the pyramidal mound for burial seems to extend from northern Mexico to the Isthmus and then to recur in Colombia, passing through Ecuador and down into the coast of Old Peru. At least in one part of the
