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Science 2 October 1964:
Vol. 146. no. 3640, pp. 78 - 79
DOI: 10.1126/science.146.3640.78
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Articles

Chromosome Complements of Two Species of Primates: Cynopithecus niger and Presbytis entellus

Richard N. Ushijima 1, F. Stuart Shininger 1, and Theodore I. Grand 1

1 Oregon Regional Primate Research Center, Beaverton, Oregon

Forty-two chromosomes were counted from expanded cultured cells of four Celebes apes, Cynopithecus niger. Mitotic cells from three Indian langurs, Presbytis entellus, contained 44 chromosomes. These counts support cytogenetically the taxonomical classification of these animals according to Simpson.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)