I. Yellow-Backed Duiker Head. 



l. Natal Duiker Head. 



3. Harvey's Duiker Head. 



4. Black-fronted Duiker Head. 



5. Red-flanked Duiker Head. 



6. Blue Duiker Head. 



7. Common Duiker Head. 



8. Klipspringer Head. 



9. Oribi Head. 



0. Grysbuck Head. 



1. Stcinbuck Head. 



2. Zanzibar Antelope Head. 



3. Royal Antelope Head. 



4. Salt's Dik-Dik Head. 



