DORCAS GAZELLE. 



115 



its more silvery hue ; knee-brushes well developed, in colour variable ; 

 tail black, long, and tapering ; horns long and annulated, rather 

 slender, with their points bent inwards and forwards; ears about 

 5i- in. ; height at shoulder barely 24 in. 



Habitat — Syria, North Arabia, Egypt, Algeria, Morocco, and Senegal. 



II 2 



