Using evolutionary theory, Brinton argued that this pervasive inconsistency was a sign of linguistic inferiority, and evidence that Native Americans were at a low stage in their evolution.
运用演化理论，布林頓主张此种普遍的不一致性是语言处于劣等的标记，以及美國土著都处于他們演化過程低等阶段的证据。