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Show 590 DR. J. E. GRAY ON THE BUSH-BUCKS. [Julie 20, We have three specimens of this species, male, female, and young, in the British Museum. Two were from the South-African Museum. 2. GRIMMIA SPLENDIDULA. (The Guinea Duyker.) Cephalophus grimmia, var. 1, Gray, Cat. Ungul. B. M . p. 79. Fur bright reddish yellow ; nose with a black streak ; underside of body white. Hab. Coast of Guinea : St. Paul de Loanda. A fine male in the Museum, presented by Edward Gabriel, Esq. lt is very difficult to refer the figures of these animals to the right species; but this species and the G. irrorata are distinguished from G. nictitans by the whiteness of the underside, which in that animal is pale yellow-brown; and the two other white-bellied species differ in the hair being punctulated or uniform-all characters very difficult to represent in small figures. 3. GRIMMIA IRRORATA. (The Natal Duyker.) (Skull, fig. 1, p. 591.) Cephalophus mergens, var. burchellii (part.), Sundevall. Cephalophus grimmia, Gray, P. Z. S. 1857, t. 57. f. 1 ; Knowsley, Menag. t. 1, 2. f. 3. Cephalophus campbellice (part.), Gray, Cat. Ungul. p. 80. Antilope ocularis, Peters, Reise nach Mossambique, Saugeth. t. 39 (male), t. 41. f. 1 (skull), t. 42. f. 1 (skull). Antilope altifrons (part.), Peters, Mossambique, t. 37 (female only), t. 38. f. 2 (skull, female). Fur greyish buff, beneath white. Male: fur paler; nose slightly black, varied. Female: fur grey, from the black tips of the hairs; nose with a decided black streak. Hab. Natal. There is in the Museum a male and female of this species, received from M . Sundevall as coming from Natal. I am now inclined to consider this quite distinct from C. campbellice, with which I have formerly united it. The two animals (Antilope ocularis, male and its skull, and A. altifrons, female) figured in Dr. Peters's ' Mammalia of Mozambique ' very much resemble the two specimens, the male and female, from Natal, in the British Museum-indeed, so much so, you might believe that they were drawn from the Natal specimens; but the skull, with the horns, which Dr. Peters figures as that of A. altifrons (male, t. 38. f. 1) appears to have the horns decumbent instead of ascending, and to have a very long compressed nose, which induces m e to believe that it belongs to another species, very much like m y Cephalophus longiceps. The figure of the skull of the male C. ocularis (t. 41. f. 1) differs in the shape of the impression in front of the orbit from that of the female C. altifrons (t. 38. f. 2), which leads m e to believe they may be two species, as Dr. Peters has considered them ; or it may be sexual, for it is very curious that Dr. Peters figures the same sexes as there are in the British Museum. |