Note 1 — Chapter X · AGENTS UNDER INTELLECTUAL DISABILITY
Reading edition
Romanes, Mental Evolution in Animals, p. 352. Perty, Seelenleben der Thiere, p. 67. Brehm, From North Pole to Equator, p. 298.
Reading edition
Romanes, Mental Evolution in Animals, p. 352. Perty, Seelenleben der Thiere, p. 67. Brehm, From North Pole to Equator, p. 298.