258 CATALOGUE OF UNGULATES 



II. Genus OK API A. 



Okapia, Lankester, Nature, vol. Ixiv, p. 247, July 4, 1901, Proc. Zool. 

 Soc. 1901, vol. ii, p. 280, Trans. Zool. Soc. vol. xvi, p. 302, 1902, 

 Monograph of the Okapi, Atlas, 1910; Fraipont, Ann. Mus. 

 Congo, Zool. ser. 2, vol. i, p. 1, 1907 ; M. de Rothschild and 

 Neuville, Ann. Sci. Nat., Zool. ser. 9, vol. x, p. 1, 1910. 



Ocapia, Lankester, Science, ser. 2, vol. xiv, p. 114, July 19, 1901 ; 

 Johnston, Cornish's Living Animals, vol. i, p. 270, 1901 ; 

 Lydekker, Game Animals of Africa, p. 375, 1908. 



Size much smaller than in Giraffa, and neck and limbs 

 much less elongated ; females larger than males, which alone 

 carry a pair of frontal horns, capped with knobs of bare 

 bone; ears broad; skull very shallow, with the basicranial 

 axis nearly straight, and the lachrymal vacuities larger than 

 in Giraffa ; glands and teats unknown; coloration uniform 

 on greater part of body, but on hind-quarters and upper part 

 of limbs marked with alternating dark and light stripes of 

 varying width; tail shorter than in typical genus, with a 

 smaller tuft. 



Distributional area the north-eastern and eastern fringes 

 of the equatorial forest-tract. 



OKAPIA JOHNSTON!. 



Equus (?) johnstoni, Sclater, Proc. Zool. Soc. 1901, vol. i, p. 50; 

 Ridewood, ibid. 1901, vol. ii, p. 3 ; Boulenger, ibid. 1902, vol. ii, 

 p. 72. 



Okapia johnstoni, Lankester, Nature, vol. Ixiv, p. 247, 1901, Proc. 

 Zool. Soc. 1901, vol. ii, pp. 281 and 472, Trans. Zool. Soc. vol. 

 xvi, p. 302, pis. xxx-xxxii, 1902, Proc. Zool. Soc. 1907, p. 129, 

 Monograph of the Okapi, Atlas,* 1910; Sclater, Proc. Zool. Soc. 

 1901, vol. ii, p. 3, pi. i ; Carruccio, Boll. Soc. zool. ital. ser. 2, 

 vol. iv, p. 1, 1903, vol. vi, p. 177, 1905 ; Lonnberg, Proc. Zool. Soc. 

 1905, vol. ii, p. 309 ; Alexander, From Niger to Nile, vol. ii, p. 391, 

 1907 ; Fraipont, Ann. Mus. Congo, Zool. ser. 2, vol. i, p. 1, 

 30 pis. 1907 ; Cabrera, Bol. Soc. espan. Hist. Nat. vol. vii, p. 133, 

 pi. ii, 1907 ; M. de Rothschild and Neuville, C. R. Ac. Sci. Paris, 

 vol. cxlix, p. 693, 1909, Ann. Sci. Nat., Zool. ser. 9, vol. x, p. 1, 

 pis. i-vi, 1910 ; Ridewood, Ann. Mag. Nat. Hist. ser. 8, vol. vi, 

 p. 387, 1910; Camerano, Atti Ac. Sci. Torino, vol. xlvi, p. 1, 

 pi. i, 1911; Cabrera, Cat. Met. Mam. Madrid Mus. p. 129, 

 pi. iii, 1912 ; Wilmet, C. R. Ac. Sci. Paris, vol. clvi, p. 2006, 1913. 



Ocapia johnstoni, Lankester, Science, ser. 2, vol. xiv, p. 114, 1901 ; 

 Johnston, Cornish's Living Animals, vol. i, p. 270, 1901 ; 

 Lydekker, Great and Small Game of Africa, Suppl. p. 6, 1902, 



* No text published. 



