[Illustration: THE BOOK OF ANTELOPES, PL. LXXXII _Wolf del. Smit lith._ _Hanhart imp._ The Beatrix Antelope. ORYX BEATRIX. _Published by R. H. Porter._ ] 114. THE BEATRIX ANTELOPE. ORYX BEATRIX, Gray. [PLATE LXXXII.] _Gazellæ Indicta cornu singulare_, =Pallas=, Nov. Comm. Ac. Petrop. xiii. p. 470, pl. x. fig. 5 (1769). _Antilope leucoryx_, =Pallas=, Spic. Zool. xii. p. 17 (1777); =Herm.= Tab. Affin. Anim. p. 108 (1783); =Zimm.= Geogr. Ges. ii. p. 108 (1780), iii. p. 269 (1783); =Schreb.= Säug. pl. cclvi. B (1784); =Bodd.= Elench. Anim. p. 139 (1785); =Gmel.= Linn. Syst. Nat. i. p. 190 (1788); =Kerr=, Linn. An. K. p. 316 (1792); =Donnd.= Zool. Beytr. i. p. 639 (1792); =Link=, Beytr. Nat. ii. p. 99 (1795); =Bechst.= Syst. Uebers. vierf. Th. ii. p. 641 (1800); =Shaw=, Gen. Zool. ii. pt. 2, p. 359 (1801); =Turt.= Linn. S. N. i. p. 115 (1806); =Desm.= N. Dict. d’H. N. (1) xvii. p. 132 (1803), xxiv. Tabl. p. 32 (1804); =G. Cuv.= Dict. Sci. Nat. ii. p. 237 (1804); =Tiedem.= Zool. i. p. 408 (1808); =Thunb.= Mém. Acad. Pétersb. iii. p. 313 (1811); =G. Fisch.= Zoogn. iii. p. 425 (1814); =Afz.= N. Act. Ups. vii. p. 219 (1815); =Desm.= N. Dict. d’H. N. (2) ii. p. 204 (1816); =G. Cuv.= R. A. i. p. 262 (1817); =Goldf.= Schr. Säug. v. p. 1180 (1818); =Schinz=, Cuv. Thierr. i. p. 391 (1821); =Desm.= Mamm. ii. p. 474 (1822); =Desmoul.= Dict. Class. d’H. N. i. p. 444 (1822); =H. Sm.= Griff. An. K. iv. p. 186, v. p. 326 (1827); =Rüpp.= N. Wirbelth. p. 16 (1835); =Pearson=, J. As. Soc. Bengal, ix. p. 519 (1840). _Leucoryx Antelope_, =Penn.= Quadr. i. p. 68 (1781); id. ibid. 1793, p. 76 (not fig.). _Antilope (Bubalis) oryx_, =Licht.= Mag. nat. Freund, vi. p. 156 (1814). _Cemas oryx_, =Oken=, Lehrb. Nat. iii. pt. 2, p. 734 (1816). _Cerophorus (Oryx) leucoryx_, =De Blainville=, Bull. Soc. Philom. 1816, p. 75. _Antilope besoarctica_, =Jard.= Nat. Misc. (1) vii. p. 203 (1842); =Reichenb.= Säug. iii. p. 120, pl. xxxvii. (1845). _Antilope ensicornis_, var. α _asiatica_, =Wagner=, Schr. Säug. Suppl. v. p. 437 (1855). _Oryx beatrix_, =Gray=, P.Z.S. 1857, p. 157, pl. lv.; =id.= Cat. Rum. B. M. p. 36 (1872); =id.= Hand-l. Rum. B. M. p. 112 (1873); =Sclater=, P.Z.S. 1872, p. 603; =St. John=, P.Z.S. 1874, p. 95; =Sclater=, P.Z.S. 1881, p. 819; =id.= List An. Z. S. (8) p. 138 (1883), (9) p. 159 (1896); =W. Sclater=, Cat. Mamm. Calc. Mus. ii. p. 156 (1891); =Flow. & Lyd.= Mamm. p. 344 (1891); =Ward=, Horn Meas. (1) p. 148 (1892), (2) p. 188 (1896); =Lyd.= Horns and Hoofs, p. 249 (1893); =Matsch.= SB. nat. Freund. 1893, p. 104; =Thomas=, P.Z.S. 1894, p. 451; =Pousargues=, Ann. Sci. Nat. (7) iv. p. 131 (1896); =Trouessart=, Cat. Mamm. fasc. iv. p. 955 (1898). _Antilope beatrix_, =Huet=, Bull. Soc. Acclim. (4) ix. p. 61 (1887).