180 THE BREEDS OF LIVE-STOCK 



extent the hardiness, endurance, sound feet and legs that 

 are the inheritance of a half-wild existence under adverse 

 conditions. These ponies are exceedingly rare in Amer- 

 ica, and we have many types much superior in confor- 

 mation and other desirable qualities nearer home from 

 which to breed. 



Literature. References cited in the text are to the following 

 works: E. D. Miller, Modern Polo, W. Thacker & Co., London; 

 Hon. James Penn Boucaut, The Arab, the Horse of the Future, 

 Gay & Bird, Strand, London (1905) ; Polo Pony Society, Stud-book, 

 Volume 5 ; Youatt, second edition (1846) ; Sir Walter Gilbey, Small 

 Horses in Warfare, Bart, Vinton & Co., London, E. C. ; Sir Walter 

 Gilbey, Thoroughbred and Other Ponies, Bart, Vinton & Co., 

 London, E. C.; J. C. Appleby, Nimrod; Mr. Whyte, History of 

 the British Turf. Other references are here given, that are of 

 interest : Catherine Sinclair, Shetland and Its Inhabitants ; L. 

 Stejneger, 'Den Celtiske pony, tarpanen of fjordhesten,' Naturen 

 (1904). M. Horace Hayes, Points of the Horse, W. Thacker & 

 Co., London, E. C. (1897); J. C. Ewart, The Multiple Origin of 

 Horses, Trans. Highland and Agricultural Society, Edinburgh 

 (1904) ; W. Ridgeway, The Origin and Influence of the Thorough- 

 bred Horse, Cambridge (1905) ; S. B. Elliot, M.D., The Shetland 

 Pony, Belle Meade, Va. (1906). 



