INTRODUCTION. XV11 



But it is necessary for an efficient engine-driver 

 to know the amount of strain which iron, steel, bell- 

 metal, and brass can bear, and why these metals 

 should be used in their respective places. It is 

 necessary that he shall be able to distinguish the 

 different qualities of coal, and to know how much 

 steam can be raised by a given quantity of fuel. 



' Engine and man,' in fact, must go together, and 

 so must ' horse and man.' Therefore, the reader will 

 not find his time wasted by anatomical minutige which 

 do not bear on the practical management of the 

 horse, and I have contented myself with slightly 

 describing the general structure of the animal, and 

 giving such details of the foot, hoof, neck, lungs, and 

 stomach as ought to be known by every one who 

 possesses, or has the management of, a horse. 



In civilised countries, horse and man are inse- 

 parable. Neither can exist without the other, and 

 each owes a duty to the other. Take any large city, 

 deprive the horse of the services of man, and in a 

 fortnight at the most not a horse would be left alive. 

 In the same city, deprive the man of the services of 

 the horse, and he would lose much of his civilisation, 

 being forced to work with his body instead of his 

 mind. 



There is, however, one fundamental distinction 



