574 AFRICAN GAME ANIMALS 



to it, because of its habits. The case is directly the reverse 

 of that of the steinbok, which does continually hide and 

 skulk and try to escape observation, and yet has a colora- 

 tion which is on the whole undoubtedly of revealing quality. 

 From these facts it seems probable that in neither case has 

 the color of the coat been developed for any utilitarian 

 reason. 



Key to the Races of oreotragus 



Female hornless; body color uniform, legs lighter than the body in 

 color and marked by a wide black band above the hoof 



aureus 



Female horned; rump lighter and grayer than the back, legs not 

 lighter than the body in color and without black hoof band 



schillings i 



Marsabit Klipspringer 



Oreotragus oreotragus aureus 



Oreotragus oreotragus aureus Heller, 1913, Smith. Misc. Coll., vol. 61, No. 13, 

 p. 7. 



Range. — From the drainage area of the Northern Guaso 

 Nyiro River and the northern slopes of Mount Kenia north- 

 ward to Lake Rudolf, west as far as Mount Elgon, and east 

 in the lower desert region as far as the limits of the higher 

 mountains, but not occurring in this region south of the 

 Tana River. 



The Marsabit race was recently described from speci- 

 mens collected by the Rainey expedition on Mount Lolo- 

 lokwi, a large table-topped mountain lying between the 

 Northern Guaso Nyiro and Mount Marsabit. The race 

 is distinguishable from the Masailand klipspringer by the 

 absence of horns in the female and the uniform color of the 

 dorsal surface, the rump coloration showing no contrast in 

 tone to that of the anterior part of the body. It is more 

 closely allied to the Abyssinian klipspringer, with which 

 it is in agreement in the character of the hornless female, 



