TRAGELAPHIN^ 203 



III.— Genus BOOCERCUS. 



Euryceros, Gray, Proc. Zool. Soc. 1856, p. 144, Cat. Buminants Brit. 



Mus. p. 47, 1872, nee Lesson, 1830. 

 Boocercus, Thomas, Ann. Mag. Nat. Hist. ser. 7, vol. x, p. 309, 



1902; Pococl; Proc. Zool. Soc. 1910, p. 931. 

 Boocerus, Trouessart, Cat. Mamm., Suxjpl. p. 731, 1904, errorim. 



Differs from the two preceding genera by the presence 

 of horns in both sexes, the terminally tufted tail, and the 

 absence of inguinal glands ; horns smooth, forming an open 

 tragelaphine spiral of about one complete turn, with yellow 

 tips ; no frontal tuft or dewlap. Eestricted to the forest- 

 zone of Equatorial Africa. 



BOOCERCUS EURYCERUS. 



Antilope euryceros, Ogilhy, Proc. Zool. Soc. 1836, p. 120 ; Water- 

 house, Cat. Mamm. Mus. Zool. Soc. p. 42, 1836 ; Tcmminch, 

 Esquiss. Zool. Guine, p. 190, 1853 ; Huet, Bull. Soc. Acclim. 

 ser. 4, vol. iv, p. 468, 1887. 



Tragelaphus eurycerus,* Lesson, Nouv. Tabl. Begne Anim., Maimn. 

 p. 181, 1842 ; Gray, Proc. Zool. Soc. 1850, p. 144,t 1861, p. 276, 

 Knoivsley Menagerie, p. 27, pi. xxiii, fig. 1, 1850, Cat. Ungtdata 

 Brit. Mus. p. 136, 1852 ; Wagner, Schrebcr's Sdugthiere, Suppl. 

 vol. V, p. 441, 1855 ; Gerrard, Cat. Bones Mamm. Brit. Mus. 

 p. 246, 1862 ; Fitzinger, Sitzber. 7c. Ah. Wiss. Wien, vol. lix, 

 pt. 1, p. 174, 1869; BrooTce, Proc. Zool. Soc. 1871, p. 485, 

 pi. xxxix; Sclater, ibid. 1883, p. 35 ; Thomas, ibid. 1891, p. 387 ; 

 Flower and Lydehker, Study of Mammals, p. 347, 1891 ; Ward, 

 Becords of Big Game, p. 158, 1892, ed. 2, p. 202, 1896 ; Jentinl, 

 Cat. Mamm. Leyden Mus. (Mus. Pays-Bas, vol. xi) p. 172, 1892 ; 

 LydehJcer, Horns and Hoofs, p. 254, 1893 ; Pousargues, Ann. 

 Sci. Nat., Zool. ser. 7, vol. iv, p. 81, 1897; Bothschild, Novit. 

 Zool. vol. V, p. 206, 1898 ; Bryden, Great and Small Game of 

 Africa, p. 454, 1899; Sclater and Thomas, Book of Antelopes, 

 vol. iv, p. 131, pi. xci, 1900. 



Antilope (Addax) euryceros, Laiirillard, Diet. Univ. Hist. Nat. vol. i, 

 p. 620, 1861. 



Tragelaphus albo-virgatus, du Chaillu, Proc. Boston Nat. Hist, Soc. 

 vol. vii, p. 299, 1861, Explor. Equal. Africa, p. 306, 1861. 



Tragelaphus albovittatus. Gray, Proc. Zool. Soc. 1861, p. 276. 



Euryceros euryceros. Gray, Cat. Buminants Brit. Mus. p. 48, 1872, 

 Hand-List Buminants Brit. Mus. p. 119, 1873 ; Jentink, Cat, 

 Osteol. Leyden Mus. (Mus. Pays-Bas, vol. ix) p. 23, 1888 ; 

 Bilttikofer, Beisebilder aus Liberia, vol. ii, p. 380, 1890. 



* Frequently given as euryceros. 



t As the subgeneric term Euryceros is proposed on the same page, 

 the name is really Tragelaphus [Euryceros) euryceros. 



