THE GAZELLES AND THEIR ALLIES 621 



of Lake Tanganyika. Specimens from the Northern Guaso 

 Nyiro region have recently been described by a Swedish 

 naturaUst, Inar Lonnberg, as a new race, based upon their 

 apparently lighter color and longer nasal bones. The impalla 

 from this region in the National Museum, however, show 

 no differences in color or other characters by which they 

 may be distinguished from specimens from the highland 

 region. 



