Note 5 — Group I. THREE RIVAL CIVILIZATIONS.

Slavery, a certain type, it is true, existed among the Indians of this continent, who held their captives in semi-servitude, though the condition was totally different, in that the captive was considered eligible for adoption into the family and tribe of his master. Among the Indians the question of social equality had nothing to do with their policy toward their prisoners, or such as refused to become incorporated with themselves.