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Show 59 I MR. SCLATER ON TWO SPECIES OF MAMMALS. [Nov. 25, Natterer's Hapale chrysoleucos. This skin, which I now exhibit, •agrees, it will be observed, in every respect very closely with the original of Dr. Gray's Mico sericeus, also now before us, which died in the Gardens on the 21st of July last ; so that there can be no doubt of their identity. The synonymy of this species will therefore stand as follows:- HAPALE CHRYSOLEUCOS. Hapale chrysoleucos, Wagner, Wiegm. Arch. 1842, i. p. 357 ; Saugeth. Suppl. v. p. 125. Midas argentatus, Bates, Nat. on the Amazons, i. p. 162(?). Mico sericeus, Gray, P. Z. S. 1868, p. 256, t. xxiv. Hapale argentata, Sclater, P. Z. S. 1868, p. 262. Hab. Vicinity of Borba, Rio Madeira (Natterer). This species of Hapale is very well marked, from its peculiar pale uniform colour, in which it resembles H. argentata and H. melanura. From these, however, as already remarked, it may be distinguished by its hairy ears. Herr v. Pelzeln has most kindly informed me that Natterer collected seven examples of this species of Hapale at Borba, on the Rio Madeira, and in its vicinity, 1829 and 1830. Four of these are still in the Vienna Museum, and one in that of Berlin. Unless Mr. Bates is in error in his identification of the Hapale observed near Camet-i with the animal lately living in our Gardens, the range of this species must extend from the Rio Madeira along the southern bank of the Amazons to the Rio Tocantins, which is by no means unlikely, other species being common to these two localities. 2. CEPHALOPHUS BREVICEPS, Gray, P. Z. S. 1866, p. 202. On the 13th of February, 1860, we purchased of a dealer at Liverpool a very young female -\ntelope, of the genus Cephalophus, stated to have been received in a vessel coming from Western Africa. Shortly afterwards, Dr. Gray, having had his attention called to this animal by the Superintendent whilst visiting the Gardens, described and figured it in our 'Proceedings' (1866, p. 202, plate xx.) as a new species, under the name Cephalophus breviceps. Upon the animal attaining maturity about a year afterwards the colour of the fur became darker and more intense, and it was evident that the supposed new species was nothing more than the young of the Bay Antelope (Cephalophus dorsalis sive badius), which had been previously living in the Society's Gardens, as well as in the former Surrey Zoological Gardens, and in the Menagerie of the late Earl of Derby, at Knowsley. The history of this species, as far as I can make it out, appears to be as follows :- In 1816 Dr. Gray first established Cephalophus dorsalis as a new species of the genus *, basing his description on a specimen in the * Ann. Nat. Hist, xviii. p. 164. |
