110. THE BLUE-BUCK. _Hippotragus leucophæus_ (Pall.). [Plate LXXVI.] 5 111. THE ROAN ANTELOPE. _H. equinus_ (Desm.). [Plates LXXVII. & LXXVIII.] 13 112. THE SABLE ANTELOPE. _H. niger_ (Harr.). [Plates LXXIX. & LXXX.] 31 Genus II. ORYX 41 113. THE LEUCORYX. _Oryx leucoryx_ (Licht.). [Plate LXXXI.] 43 114. THE BEATRIX ANTELOPE. _O. beatrix_, Gray. [Plate LXXXII.] 51 115. THE GEMSBOK. _O. gazella_ (Linn.). [Plate LXXXIII.] 57 116. THE BEISA. _O. beisa_ (Rüpp.). [Plate LXXXIV.] 65 117. THE TUFTED BEISA. _O. callotis_, Thomas. [Plate LXXXV.] 73 Genus III. ADDAX 77 118. THE ADDAX. _Addax naso-maculatus_ (Blainv.). [Plate LXXXVI.] 79 Subfamily VII. TRAGELAPHINÆ 89 Genus I. BOSELAPHUS 91 119. THE NILGAI. _Boselaphus tragocamelus_ (Pallas). [Plate LXXXVII.] 93 Genus II. TRAGELAPHUS 103 120. THE DECULA ANTELOPE. _Tragelaphus decula_ (Rüpp.). [Plate LXXXVIII.] 105 121. THE HARNESSED ANTELOPE. _T. scriptus_ (Pallas). [Plate LXXXIX.] 109 122. THE CAPE BUSHBUCK. _T. sylvaticus_ (Sparrm.). [Plate XC. fig. 2.] 117 123. CUMMING’S BUSHBUCK. _T. roualeynei_ (Cumming). [Plate XC. fig. 1.] 123 124. DELAMERE’S BUSHBUCK. _T. delamerei_, Pocock 129 125. THE BROAD-HORNED ANTELOPE. _T. eurycerus_ (Ogilby). [Plate XCI.] 131 126. ANGAS’ ANTELOPE. _T. angasi_, Angas. [Plate XCII.] 137 Genus III. LIMNOTRAGUS 149 127. SPEKE’S SITATUNGA. _Limnotragus spekii_ (Sclater). [Plate XCIII.] 151 128. SELOUS’S SITATUNGA. _L. selousi_ (Rothsch.). [Plate XCIV.] 157 129. THE CONGAN SITATUNGA. _L. gratus_ (Sclater). [Plate XCV.] 165 Genus IV. STREPSICEROS 171 130. THE GREATER KUDU. _Strepsiceros capensis_ (A. Smith). [Plate XCVI.] 173