Figure 17 from Charles Darwin’s The Expression of the Emotions in Man and Animals. Caption reads “FIG. 17.—The same, when pleased by being caressed.” See figure 16 for by the same author for context. Note that the species is now known as Macaca nigra (formerly Cynopithecus niger).
About Kevin
Kevin has left the office, and he is currently fighting the rat race by working on his own business. He enjoys exploring unvisited places around the world and gaining new experiences. He believes that by properly managing our energy and time, we can learn to invest our lives wisely.
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