152 CATALOGUE OF UNGULATES 



Face-glands wanting ; horns relatively long, restricted to 

 males, with the basal portion of hind surface rounded and a 

 strong external keel, forming, as a rule, not more than two 

 complete turns of a spiral ; face, body, and limbs more or 

 less fully marked with white, at least in youth ; tail thickly 

 haired throughout ; ears large and expanded. Upper molars 

 rather narrow, without inner accessory columns. Inguinal 

 glands present. 



Distribution restricted to Ethiopian Africa. 



In the typical species the skull is characterised by the 

 comparative shallowness of the nasal notches, large lachrymal 

 vacuities, short premaxillse, slightly angulated maxillo-jugal 

 sutures, and small basioccipital processes. 



The two subgenera here recognised are distinguished as 

 follows :-r- 



A. Hoofs norraal ; hind surface of pasterns hairy Tragelaphus. 



B. Hoofs elongated ; hind surface of pasterns bare Limnotragus. 



1. Subgenus TRAGELAPHUS. 



Hoofs normal, and hind surface of pasterns bare. 

 The three species here recognised are distinguishable as 

 follows : — 



A. Nucho-dorsal crest short ; a white throat-band ; tail 



shorter. 

 a. Size smaller, shoulder-height not exceeding about 



30 inches ; sexes generally unlike in colour ; 



horn-tips black T. scriptus. 



h. Size larger, shoulder-height about 52 inches ; sexes 



similar in colour ; horn-tips yellow T. biixtoni. 



B. Nucho-dorsal crest elongated into a mane ; no white 



throat-band ; tail longer. Shoulder-height about 



42 inches T. angasi. 



I. TRAGELAPHUS SCEIPTUS. 



Antilope scripta, Pallas, Misc. Zool. p. 8, 1766, Spicil. Zool. fasc. i, 

 p. 15, 1767, fasc. xii, p. 18, 1777, based on " Le Guib " of Buffon, 

 Hist. Nat. vol. xii, pp. 305 and 327, pis. xl and xli, 1764; 

 Erxleben, Syst. Begn. Anim. p. 276, 1777 ; Zimmermann, Spec. 

 Zool. Geogr. p. 539, 1777, Geogr. Geschichte, vol. ii, p. Ill, 1780; 

 Gatterer, Brev. Zool. pt. 1, p. 79, 1780; Schreber, Sdugihiere, 

 pi. cclviii, 1784 ; Boddaert, Elenchus Anim. p. 140, 1785 ; Gmelin, 

 Linn.'s Syst. Nat. vol. i, p. 191, 1788; Kerr, Linn.'s Anim. 

 Kingdom, p. 317, 1792; Donndorff, Zool. Beytrdge,-vo\. i, p. 640, 



