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Show 1871.] MR. P. L. SCLATER ON ANIMALS IN THE MENAGERIE. 227 A. melanochir, of which, as stated above, an example arrived in company with it, I think it desirable to give a figure of it. We are now well acquainted with the true patria of this form, as the present example was purchased of one of the officers of the R. W . I. Mail Co., who brought it from Greytown, Nicaragua. Upon referring to the specimen in the British Museum upon which A. ornatus was established, I find that that was also received from this Society in 1850. The specimen of this Ateles which we received on October 14th, 1870, died November 13th; and I now exhibit its stuffed skin and skull. It was a male, not adult, the last upper molars just coming up (see fig. 1, p. 226). There are no traces of a rudimentary thumb. The hair of the forehead is reflexed, meeting that of the crown about an inch above the eyes. The hands and feet and the end of the tail above are black, the black extending over the outsides of the thighs, and somewhat also over the shoulders; the lower back above flanks and belly are rusty red, which colour extends over the back of the thighs and base of the tail below, and renders the species easily recognizable, as far as colour goes. The whole length of body is 17 inches, of tail 21 inches. This specimen has been sold to the Trustees of the British Museum, 8. CEBUS LUNATUS. Cebus lunatus, F. Cuv. Hist. Nat. d. Mamm. pl. 70. Cebus leucogenys, Gray, P. Z. S. 1865, p. 824, pl. xiv. ; Cat. of Monkeys, p. 48. This species was established by Dr. Gray upon a Cebus which was living in our Gardens in 1861. About this specimen, I regret to say, I can discover no particulars, as it was never discriminated from several other .Capuchin Monkeys which were in the Society's Gardens at the same period. As far as I can tell from Dr. Gray's figure and very short description, this Cebus does not differ materially from the Sajou cornu, male, of F. Cuvier, M a m m . pl. 70 (Cebus lunatus of the table of plates), which is usually regarded as the adult of Cebus apella sive fatuellus *. If really different, lunatus would, in m y opinion, be a prior name for it. 9. PITHECIA LEUCOCEPHALA. I have already (P. Z. S. 1866, p. 305) stated the circumstances under which the only example of this Saki which I have ever seen alive came into our possession. It died on the 26th of June, 1865, and was purchased by the British Museum. In Dr. Gray's Catalogue of Monkeys, with this species is united P. chrysocephala of I. Geoffroy St.-Hilaire, of which P. leucocephala is regarded as the female. But our P. leucocephala was an adult male, as determined by Dr. Murie. Moreover, from the examination of a large series of specimens of this Saki obtained by Natterer * Cf. Burmeister, Abh. Ak. Halle, 1854, p. 92, and Wagner, Saugeth. v. p. 84. |