on Rainy River. It is likewise at the mouth of the Bowstring River,
which is its largest tributary and affords the readiest means of
access from the Mississippi up which the Toltecan flood of emigration
was surging. My theory is that here in their new homes, for three
centuries they multiplied, cultivated the soil, and built the mounds
which are still a monument to their industry. Here they became less
warlike because more industrious, and hence less able to defend
themselves. I have already stated that the