Heleotragus vardonii, Kirk, P. Z. S. 1864, p. 657 (Zambesia).
Cobus vardoni, Selous, P. Z. S. 1881, p. 759, pl. lxv.; id. Hunter’s Wand. pp. 111, 147, 219, pl. v. (1881) (Chobe); Ward, Horn Meas. (1) p. 92 (1892), (2) p. 129 (1896); Sclater, P. Z. S. 1892, p. 98; id. P. Z. S. 1893, p. 728 (Lake Mweru).
Eleotragus vardoni, Huet, Bull. Soc. Acclim. 1887, p. 48; Matschie, SB. Ges. nat. Fr. Berl. 1891, p. 138.
Kobus vardoni, Nicolls & Egl. Sportsm. S. Afr. p. 43, pl. viii. fig. 30 (1892).
Adenota vardoni, Matschie, Säug. Deutsch. Ost-Afr. p. 126 (1895).
Vernacular Names:—Pookoo, Poku, or Puku throughout its range; Impookoo of the Masubias (Selous); Sawwula of Kinyamwesi (Böhm, fide Matschie).
Size and general characters almost exactly as in C. thomasi, but the legs entirely without any trace of the black markings so conspicuous in C. kob and C. lechee. Height at withers of an adult male 35½ inches, female the same. Back of ears fulvous, their extreme tips edged with black. Pasterns hairy, scarcely any trace of a white ring above hoofs.
Horns thick and strongly curved, having a length of about 17 or 18 inches.
Female. Similar, but hornless.
Skull measurements (♂):—Basal length 11 inches, greatest breadth 4·47, muzzle to orbit 7·25.