... from the limb of the oak tree at a distance of ninety- two to ninety-six inches from the ground, was a paper bag which contained the food reward. Usually ... In the performance she exhibited patience, craft, persistence, and excellent method.
Title | : | The dancing mouse, and The mind of a gorilla |
Author | : | Robert Mearns Yerkes |
Publisher | : | Ayer Co Pub - 1973 |
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