Whether pairing marriage has completely supplanted group marriage in America today is a question to be decided by closer investigation among the peoples still at the upper stage of savagery in the northwest, and particularly in South America.

• 要弄清现在美洲的群婚是否已完全被对偶婚所排除的问题，必须更加仔细地研究一下还处于蒙昧时代高级阶段的西北部民族﹑特别是南美的各民族。