TRAGELAPHINJ5 203 



III. Genus BOOCERCUS, 



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



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

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



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

 Boocerus, Trouessart, Cat. Mamm., Suppl. 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, Ogilby, Proc. Zool. Soc. 1836, p. 120; Water- 

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

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

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



Tragelaphus eurycerus,* Lesson, Nouv. Tabl. Regne Anim., Mamm. 

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

 Knowsley Menagerie, p. 27, pi. xxiii, fig. 1, 1850, Cat. Ungulata 

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

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

 p. 246, 1862; Fitzinger, Sitzber. k. Ak. Wiss. Wien, vol. lix, 

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

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

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

 Records of Big Game, p. 158, 1892, ed. 2, p. 202, 1896 ; Jentink, 

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

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

 Sci. Nat., Zool. ser. 7, vol. iv, p. 81, 1897 ; Rothschild, 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, Laurillard, 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. Equat. Africa, p. 306, 1861. 



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



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

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

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

 Biittikofer, Reisebilder 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. 



