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In South America the Mycetes caraya presents well-marked sexual differences, in colour, beard, and vocal organs; and the male generally lives with two or three wives: the male of the Cebus capucinus differs somewhat from the female, and appears to be polygamous. On the Gorilla, Savage and Wyman, 'Boston Journal of Natural History, vol. v. 1845-47, p. 423.
The Gymnocerous capucinus is one of these, and is very like Pachyotris fabricii, one of the Scutelleridæ. The beautiful Gymnocerous dulcissimus is also very like the same group of insects, though there is no known species that exactly corresponds to it; but this is not to be wondered at, as the tropical Hemiptera have been comparatively so little cared for by collectors.
Cebus, maternal affection in a; gradation of species of. Cebus Apella. Cebus Azarae, liability of, to the same diseases as man; distinct sounds produced by; early maturity of the female. Cebus capucinus, polygamous; sexual differences of colour in; hair on the head of. Cebus vellerosus, hair on the head of. Cecidomyiidae, proportions of the sexes in.
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 eyes, which are black, are full of curiosity and mistrust; and one seen in captivity except when in the arms of its owner shrank back and trembled with fear, while its teeth chattered, and it uttered a tremulous, frightened tone, at the approach of a stranger. The most attractive little creatures in the American forests are the capucins, the best-known of which is the Sai capucinus.
'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.
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