Skull-measurements of a male:--basal length 11·5 inches, greatest breadth 5·1, muzzle to orbit 8·3. _Hab._ Northern plains of Cape Colony, Orange Free State, Transvaal, and Bechuana-land (now nearly extinct). The Blessbok, so called from the white blaze on its forehead (“_bles_” in Dutch), is of exactly the same form and general appearance as the Bontebok, so that these two close allies have often been confounded together. But the present species is at once distinguishable by the absence of the broad anal white disk above the tail, which ornaments the Bontebok, and by the paler colour of the sides and flanks. Whether Burchell, whose scientific term “_albifrons_” has been universally adopted for the Blessbok, really intended to affix that name to the present species or to the Bontebok, is, to say the best of it, very doubtful. As we have already stated, both the vernacular names “Blessbok” and “Bontebok” were occasionally applied by the Boers to _Damaliscus pygargus_, and therefore, although Burchell expressly invented his name “_albifrons_” for what he called the “Blessbok,” he equally intended by that term to designate the long-known Bontebok, from which he did not distinguish the Blessbok. It so happened, however, that this was done in reference to a specimen of the latter, so that his name has been rightly retained for it. As we have pointed out in the previous article, these two near allies were first correctly discriminated by Harris, and it is therefore in any case wise to abide by his decision as to their proper names, both scientific and vernacular. Indeed Harris’s lead on this difficult question has been generally followed. In Harris’s days, 1836–37, the Blessbok inhabited “the elevated tracts to the eastward of the Colony known as the Bontebok Flats,” and was found on the great plains south of the Vaal River in “astounding herds.” Here it was that his first introduction to this splendid Antelope took place. Harris gives us a graphic account of how he lost himself in the wilderness when engaged in the pursuit of these herds and barely escaped with his life.