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 and that purpose must be sought in the needs and mode of life of the Mound-Builders as Village Indians; and it should be expressed in the works themselves. If a sensible use for these embankments can be found, its acceptance will relieve us from the delusive inferences which are certain to be drawn from them so long as they are allowed to remain in the category of the mysteries.

It is proposed to submit a conjectural explanation of the objects and uses of the principal embankments, and to advocate its acceptance on the ground of inherent probability. It will be founded on the assumption that the Mound-Builders were horticultural Village Indians who had immigrated from beyond the Mississippi; that as such they had been accustomed to live in houses of adobe bricks, like those found in New Mexico; that they had become habituated to living upon their roof terraces as elevated platforms, and in large households; and that their houses were in the nature of fortresses, in consequence of the insecurity in which they lived. Further than this, that before they emigrated to the valley of the Ohio they were accustomed to snow, and to a moderate degree of winter cold; wore skin garments, and possibly woven mantles of cotton, as the Cibolans of New Mexico did at the time of Coronado's expedition. The food of the New Mexicans, at this time, consisted of maize, beans, and squashes, and a limited amount of game, which was doubtless the food of the Mound-Builders. Captain Juan Jaramillo, who accompanied the same expedition, remarks in his relation that the Cibolans "had hardly provisions enough for themselves; what they had consisted of maize, beans, and squashes (maiz, des haricots, et des courges). * * * The Indians clothe themselves with deer skins, very well prepared. They have also buffalo-skins, tanned, in which they wrap themselves." Although several centuries earlier in time, the MoundBuilders, with habits of life similar to those of the Cibolans, in 1540, would