105 
59. THE SING-SING. 
COBUS UNCTUOSUS (Lanvri11.). 
[PLATE XXXIII.] 
Cervus sing-sing, Bennett, Rep. Counc. Z. 8. L. 1832, p. 5 (nom. nud.). 
Antilope sing-sing, Waterh. Cat. Mamm. Z. S. L. p. 41 (1838). 
Antilope koba, Ogilby, Penny Cycl. i. p. 79 (1834) ; id. P. Z. S. 1836, p. 103 (nec 
Erxl.). 
Antilope unctuosa, Laurillard, Dict. Un. d’H. N. i. p. 622 (1847) ; Wagn. Schreb. Siug. 
iv. p. 434 (1843). 
Antilope defassa, var. senegalensis, Wagn. Siiug. v. p. 435 (1855). 
Kolus sing-sing, Gray, List Mamm. B. M. p. 159 (1843). 
Kobus sing-sing, Gray, Ann. Mag. N. H. (1) xvii. p. 232 (1846); id. Knowsl. Men. 
p- 15 (1850); id. P. Z. S. 1850, p. 131; id. Cat. Ung. B. M. p. 99 (1852); id. 
Cat. Rum. B. M. p. 15 (1872); id. Hand-l. Rum. B. M. p. 87 (1873); Gerrard, 
Cat. Bones, p. 239. 
Cobus sing-sing, Scl. Cat. Vert. p. 144 (1883). 
Adenota sing-sing, Fitz. SB. Ak. Wien, lix. pt. 1, p. 174 (1869). 
Cobus defassus, Lyd. Horns and Hoofs, p. 224 (1893). 
Cobus defassa, Sel. P. Z.S. 1892, p. 471. 
Cobus unctucsus, Sel. P.Z.S. 1893, p. 727. 
VernacuLar Name :—Sing-sing of the natives on the Gambia (Whitfield). 
Height at shoulder from 39 to 45 inches. Body above sandy brown, hairs 
beneath whitish ; flanks rather browner, in contrast to the conspicuous white 
rump. Upper part of the ears outside and their rims blackish, inside filled 
with long white hairs. Hairs of neck long and thin, rather paler in colour 
than the back. Front of face brown like the back, but rather darker; eye- 
stripe, line round the naked black muzzle, and chin white. Inner sides of 
limbs white. Feet below the knees blackish, with slight white lines round the 
