NEOTKAGIN^ 159 



groups, which have been regarded as ol' geueric value, but 

 are here classed as subgenera : — 



A. Skull with a premaxillo-maxillary vacuity; horns 



relatively long, strongly ridged, with a distinctly 



upward direction Neaotragus. 



B. Premaxillo-maxillary vacuity present ; horns short, 



stout, nearly smooth, except at tiase, inclining 

 backwards nearly in frontal plane Hylarniis. 



c. No premaxillo-maxillary vacuity; horns very small, 



smooth, inclining backwards in frontal plane Neotragiis. 



1. Subgenus NESOTRAGUS, 



Nesotragus, Von Diiben, Ofv. K. Vet. -Ah. Forhandl. vol. iii, p. 221, 

 1847 ; Sclater and Thomas, Booh of Antelopes, vol. ii, p. 49, 1895. 



A maxillo-premaxillary vacuity present in skull; front 

 border of orbit situated above first or second upper molar ; 

 hind border of palate opposite hind outer angle of third 

 upper molar ; nasals of medium width above ; horns relatively 

 long, strongly ridged, with a distinct upward inclination. 



The distributional area is restricted to East Africa. The 

 two species are distinguishable as follows : — 



A. Size smaller ; horns short and slender ; tail 



like back above N. moschatus. 



B. Size larger ; horns longer and stouter ; tail 



blackish above N. living stoniamis. 



I. NEOTEAGUS (NESOTEAGUS) MOSCHATUS. 



Nesotragus moschatus, Von Duben, Ofv. K. Vet. -Ale. Forhandl. 

 vol. iii, p. 221, 1847 ; Sundevall, K. Svensha Vet.-AJc. Handl. 

 1845, p. 327, 1847 ; Cfray, Knowsley Menagerie, p. 8, 1850, Proc. 

 Zool. Soc. 1850, p. 119, Ann. Mag. Nat. Hist. ser. 2, vol. viii, 

 p. 137, 1851, Cat. Ungulata Brit. Mus. p. 75, 1852, Cat. 

 jRuminants Brit. Mus. p. 30, 1872, Hand-List Buminants Brit. 

 Mus. p. 99, 1873 ; Temminch, Esquiss. Zool. Guine, pp. 192 

 and 209, 1853 ; Sclater, Proc. Zool. Soc. 1864, p. 101 ; Fitsinger, 

 Sitsher. h. Ak. Wiss. Wien, lix, pt. 1, p. 164, 1869; Huet, Bull. 

 Soc. Acclim. ser. 4, vol. iv, p. 490, 1887 ; Wa/rd, Becords of Big 

 Game, p. 80, 1892; Matschie, Sdugetliiere Deutsch-Ostafrika, 

 p. 119, 1895 ; Sclater and Thomas, Boole of Antelopes, vol. ii, 

 p. 51, pi. xxviii, 1895 ; Bryden, Great and Small Ga-me of Africa, 

 p. 255, 1899 ; Lonnberg, Sjostedt's Kilimandjaro-Meru Exped., 

 Mamm. p. 44, 1908, K. SvensJca Vet. -Ale. Handl. vol. xlviii, 

 no. 5, p. 153, 1912. 



