268 



EASTERN ETHIOPIA 



XXI 



The Hkull of an Antelope. 



The slieath has been removed from one horn in order to display 

 the eore and show its eonnection "v^'itli the frontal bone. 

 (Museum, Royal College of Surgeons, England.) 



The horibs of antelopes form two groups: (l) Spiral 

 or Corkscrew horns, and (2) Annuhited horns. 



(l) Sjiiral Horna. — Corkscrew horns vary much in 



