Abstract
IV. 8. THE White-nosed Saki (Pithecia albinasd).—The peculiar American monkeys which belong to the closely-allied genera Pithecia and Brachyurus of naturalists, and are generally known as “Sakis”—a name probably derived from some Indian term—are restricted to the forests of Guiana and Amazonia, and seem to have in the case of each species a very restricted geographical area of distribution, one of these monkeys not intruding within the limits of another. As regards the genus Brachyurus, which is little more than Pithecia with a shortened tail, Mr. W. A. Forbes has lately shown this to be the case, in an article published in the Zoological Society's Proceedings2 wherein, after describing the anatomy of Brachyurus rubicundus, he has given a map to illustrate the distribution of this and the two allied species of Brachyurus. Each of them is limited to a peculiar district of Amazonia, one (B. melanocephalus) to the forests of the Rio Negro, a second (B. calvus) to those lying between the Putumayo and the Japurá, on the north bank of the Amazons, and the third (B. rubicundus) to the district contained between the main stream and the Rio Iea.
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References
"On the External Characters and Anatomy of the Red Ouakari Monkey (Brachyurus rubicundus); with remarks on the other species of that Genus". By W. A. Forbes, B.A., F.L.S., Fellow of St. John's College, Cambridge, Prosector to the Society.—P. Z. S., 1880, p. 627.
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Illustrations of New or Rare Animals in the Zoological Society's Living Collection 1 . Nature 24, 534–536 (1881). https://doi.org/10.1038/024534a0
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DOI: https://doi.org/10.1038/024534a0