The patriarchs of Moses and Pitris of Hindus were nations, personifications of early tribes.
"The American Nations, Vol. I."
C. S. Rafinesque
The Muyzcas had very early dates, yet few have been preserved; much obscured by personifications of dynasties, and Pietrahita begins their real annals only in 1490, or 45 years before the Spanish invasion.
"The American Nations, Vol. I."
C. S. Rafinesque
Therefore I presume that these are personifications of the ancient hunters, or men of the woods with the beastly and savage men of early times.
"The American Nations, Vol. I."
C. S. Rafinesque