Carmichael's insight.
Kagan
J
J
D000818:Animals; D001519:Behavior / Q000502:physiology*; D001522:Behavior, Animal / Q000502:physiology; D001695:Biology; D004777:Environment; D049673:History, 20th Century; D006801:Humans; D011584:Psychology / Q000266:history; D014481:United States; D014562:Caudata