ILLUSTRATIONS xi 



PLATE FACING PAGE 



XV. Fig. i. The Kiang 



Fig. 2. KoBDO Onager .... 



{Doth from " Brit. Mus. Guide to Horse Family") 



XVL Fig. i. Grevy's Zebra .... 



[Brit. Mus. Guide to Horse Family) 



Fig. 2. Head of Grevy's Zebra 



XVII. Fig. i. The Quagga .... 

 {Photo. Young) 



Fig. 2. Matabili Bontequagga 

 {Photo. Prof. J. C. Evvart) 



XVIII. Fig. i. Kilimanjaro Bontequagga 

 {Photo. The Duchess of Bedford) 



Fig. 2. Masai Bontequagga . 



{Brit. Mus. Guide to Horse Fatnily) 



XIX. Fig. i. Skin of Foa's Zebra . 



Fig. 2. Skin of Kilimanjaro Bontequagga 

 {Photos. Dr. E. L. Trouessart) 



XX. Fig. i. The Zebra 



Fig. 2. Nubian Wild Ass 



{Both from " Brit. Mus. Guide to Horse Family") 



XXI. Fig. i. Hybrid Bontequagga and Pony Foal 

 and Dam 



{Photo. Prof. Ewakt) 



Fig. 2. Hybrid Zebra and Onager 



XXII. Bones of Fore-feet of Extinct Fore 

 runner of the Horse 



(Brit. Mus. Guide to Horse Family) 



178 



188 



194 



214 



234 



246 



