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Updated: May 31, 2025
In the American genus Cebus, the various forms are ranked by some naturalists as species, by others as mere geographical races.
Among the most interesting examples of spontaneous acts of intelligence of the ape tribe are those related by Romanes, in his "Animal Intelligence," of the doings of a cebus monkey, which he kept for several months under close observation in his own house. Instead of selecting general examples of ape actions, we may cite some of the doings of this intelligent creature.
Now if numerous specimens of Cebus were collected from all parts of South America, and those forms which at present appear to be specifically distinct, were found to graduate into each other by close steps, they would usually be ranked as mere varieties or races; and this course has been followed by most naturalists with respect to the races of man. Prof.
That the species of Cebus which he observed exhibits various forms of ideation he is willing to admit. But he insists that it is of surprisingly little importance in comparison with what the general behavior of monkeys as known in captivity and as described by the anecdotal writers have led us to expect.
We saw monkeys, the common yellowish kind, a species of cebus; a couple were shot for the museum and the others raced off among the upper branches of the trees. Then we came on a party of coatis, which look like reddish, long-snouted, long-tailed, lanky raccoons. They were in the top of a big tree.
I have specified the foregoing differences between the male and female sex in mankind, because they are curiously like those of the Quadrumana. With these animals the female is mature at an earlier age than the male; at least this is certainly the case in Cebus azarae.
'Proc. Zool. Soc. 1862, p. 164. See, also, Dr. Hartmann, 'Ann. d. Head of Semnopithecus rubicundus. Head of Semnopithecus comatus. Head of Cebus capucinus. Head of Ateles marginatus. Before we conclude, it will be well to add a few remarks on the ornaments of monkeys.
The same fact has also been fully ascertained by MM. Pollen and van Dam. See, also, Dr. There is also a strongly-marked difference in colour between the sexes of Mycetes seniculus and Cebus capucinus; the young of the former, and I believe of the latter species, resembling the females.
The other was a species of Cebus, with a remarkably large head. It had ruddy-brown fur, paler on the face, but presenting a blackish tuft on the top of the forehead. In the wet season serpents are common in the neighbourhood of Para.
Inferiority, supposed physical, of man. Inflammation of the bowels, occurrence of, in Cebus Azarae. Inheritance, of long and short sight; of effects of use of vocal and mental organs; of moral tendencies; laws of; sexual; sexually limited. Inquisition, influence of the. Insanity, hereditary. insect, fossil, from the Devonian. Insectivora, absence of secondary sexual characters in.
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