x PREFACE TO THE FOURTH EDITION 



individual breeds, as I have had to keep in view not only 

 the interests of one special breed, but also its connection 

 with other breeds, and the position that it occupies in the 

 great Live Stock economy of the country. 



The works originally consulted in the preparation of the 

 earlier editions are enumerated in the extract from the 

 Preface to the Second Edition, page xiii. I have also 

 endeavoured in the text or by footnotes to indicate the 

 sources of further indebtedness to previous writers, but it is 

 necessary to make mention here of the following works, 

 which have been of more than usual value, and to whose 

 authors I am personally grateful : 



Alvin H. Sanders' Shorthorn Cattle : A Series of Historical 

 Sketches, Memoirs, and Records of the Breed and its Develop- 

 ment in the United States and Canada, second edition, 1901 ; 

 G. Archdall Reid's Principles of Heredity ; W. Ridgway's 

 Origin and Influence of the Thoroughbred Horse ; Hamilton 

 Busbey's The Trotting and the Pacing Horse in America; 

 Cossar Ewart's Penicuik Experiments, and various papers on 

 Horses and Zebra crosses ; W. B. Tegetmeier and C. L. 

 Sutherland's Horses, Asses, Zebras, Mules and Mule Breeding ; 

 J. A. Craig's Judging of Live Stock; Hayes' Points of 

 a Horse ; Sydney Galvayne's The Twentieth Century Book 

 of the Horse ; Major-General Tweedie's The Arab Horse: 

 His Country and People; Prof. J. Worthley Axe's The 

 Horse ; Its Treatment in Health and Disease ; Charles S. 

 Plumb's Types and Breeds of Farm Animals ; E. J. Powell's 

 History of the Smithfield Club ; the publications of the Boards 

 of Agriculture in London and Dublin, and of the Agricul- 

 tural Department at Washington, U.S.A. 



In this edition the histories of the various breeds have 

 been very carefully examined, and references have been 

 made to the sources of information, so that readers who 

 desire to study any breed in detail may be assisted in 

 doing so. 



The home- or first-aid of farm animals has been ex- 



