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Updated: June 25, 2025


Witmer reports, in confirmation of Haggerty's results, intelligently imitative behavior in P. irus. The work of Shepherd agrees closely, so far as evidences of ideation are concerned, with that of Thorndike. He obviously strives for conservatism in his statements concerning the adaptive intelligence of his monkeys, all of which belonged to the species P. rhesus.

We know that the faces of several species of monkeys, and large surfaces at the posterior end of the body of other species, have been denuded of hair; and this we may safely attribute to sexual selection, for these surfaces are not only vividly coloured, but sometimes, as with the male mandrill and female rhesus, much more vividly in the one sex than in the other, especially during the breeding-season.

If you want to find your way into the host of the Trojans, there are the Thracians, who have lately come here and lie apart from the others at the far end of the camp; and they have Rhesus son of Eioneus for their king. His horses are the finest and strongest that I have ever seen, they are whiter than snow and fleeter than any wind that blows.

Diomedes is eager to kill Aeneas or Paris or some other leader, but Odysseus warns him to be content with the spoils they have won. Athena appears, counselling them to slay Rhesus; if he survives that night, neither Achilles nor Ajax can save the Greeks. Paris approaches, having heard that spies are abroad in the night; he is beguiled by Athena who pretends to be Aphrodite.

"I mean that any organism is limited in its choice of behavior. A hamster, for instance, cannot choose to behave in the manner of a Rhesus monkey. A dog cannot choose to react as a mouse would. If I prick a rat with a needle, it may squeal, or bite, or jump but it will not bark. Never. Nor will it leap up to a trapeze, hang by its tail, and chatter curses at me. Never.

How important is the species difference in this connection, I have no means to judge, but if we may not consider these different modes of behavior characteristic of P. rhesus as contrasted with P. irus, we must conclude that remarkable individual differences exist among monkeys, for whereas Skirrl is by nature a mechanical genius, Sobke has apparently no such disposition.

He had stormed out in a rage at the asphyxiation, force-feeding of toxic substances, vivisection, 'Sweet Jesus, and ‘stress tests', performed on dogs and cats, rhesus monkeys and other primates, some more intelligent than the lackeys who tormented them.

Monro. "We hear no more of Rhesus and his Thracians." Of Rhesus there was no more to hear, and his people probably went home, like Glenbuckie's Stewarts after the mysterious death of their chief in Amprior's house of Leny before Prestonpans . Glenbuckie was mysteriously pistolled in the night.

The association of the wheel with the desired flow of water was therefore definitely established. Shall we describe the act as ideational? It seems the natural thing to do. Sobke, Pithecus rhesus Box Stacking Experiment For this test, in the case of Sobke, three light boxes made of redwood about one-third of an inch thick were used.

It is important to note, however, that Thorndike's observations were limited to Cebus monkeys which, as contrasted with various old world types, are now considered of relatively low intelligence. In many respects the most thoroughgoing and workmanlike experimental study of monkeys is that of Kinnaman , who has reported on the study of various forms of response in P. rhesus.

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