472 



INDEX. 



Water, the difference in effect, between hard 

 and soft, 359. 



spring, principally injurious on ac- 

 count of its coldness, 360. 



in the internal part of the ear, use 



of, 82. 



stomach of the horse, the, 204. 



farcy, nature and treatment of, 131. 



conveyance, singidar smallness of 



power required in, 424. 



resistance to, increases with 



the square of the velocity, 425. 



power to be exerted in, in- 



creases as the cube of the velocity, 425. 

 "Water dropwort, poisonous, 200, 



. hemlock, poisonous, 200. 



parsley, poisonous, 200, 



Wax used in charges and plasters, 402. 

 Weakness of the foot, what, 310. 

 Weaving indicating an irritable temper, 



and no cure for it, 345, 

 Weight, calculation of the power of the 



horse to overcome, 38. 

 Wellesley Arabian, account of the, 11, 48. 

 Welsh poney description of the, 58. 

 Wheat considered as food for the horse, 355. 



inconvenience and danger of it, 355. 



Wheels, the principle on which they act 



explained, 431,433, 446. 

 . effect of increasing the diameter of 



the, 431. 



no record of the time of their inven- 



tion, 432, 



spoked, known to Homer, 432. 



little improvement of the principle 



of, from the earliest times, 433. 



principle of, on a level surface, 433, 



theory of the degree of friction at- 



tending them, 433, 446. 



friction of on the axle, dependent 



on the material employed, 434, 

 consideration of the various forms 



of, 



436. 



— dishinc 



of, described, 436, 

 advantages of, 437, 447. 



conical and flat, calculation between 



the effects of, 403, 437. 



obliquely placed, ill consequences 



of, 437. 



narrow and broad, comparison be- 



tween, 437. 

 conical, strange degree of friction 



and dragging with, 438. 



. travelling grindstones, 438. 



cylindrical, the best form, 440,446, 



description of, and proper 



roimding of the edges, 440, 447. 

 . but influenced by the state of 



the road, 440. 

 hind, should follow the precise track 



of the fore ones, 440, 441, 

 ■ considered as to their effect on the 



road, 440, 446. 



Wheels, straddlers, description of, and their 

 effect, 441. 



' proper breadth of, in proportion to 



the load, 441, 



James's patent, description of, 441. 



with cast iron naves, 442. 



size of, 442, 446. 



advantage of large front ones, 442. 



should have a very slight convexity 



in the centre, 447. 



should have the spokes so arranged 



as to present themselves against the 

 greatest force, 447. 



Whee?.er, description of the, 196. 



Whipping sound, cruelty of, 37. 



Whisperer, the, anecdotes of his power over 

 the horse, 332, 



Whistler, description of the, 196. 



is luisoiuid, 362. 



White Turk, the, account of, 28. 



White lead, use of, 394, 



vitriol, its use in veterinary prac- 

 tice, 402. 



Wild horse, description of the, 5, 11, 



William the Conqueror, improvement ef- 

 fected in the English horse by him, 24. 



Wind-broken, nature and treatment of, 

 194, 



galls, description and treatment of, 



248, 255, 



unsoundness when they cause 



lameness, or are likely to do so, 366. 



Windpipe, description of the, 159, 46, 



the, should be prominent and loose, 



159. 



opening the, 162. 



Wind-sucking, nature of, and remedy for, 

 341. 



thick nature and treatment of, 193. 



Wiring-in of the heels, nature and treat- 

 ment of, 293. 



Withers, description of the, 154, 166.^ 



high, advantage of, 167. 



fistulous, treatment of, 168, 



Wolves teeth, what, 140. 



Work of the horse, should not exceed six 

 hours per diem, 415, 



Worms, different kinds, and treatment of, 

 210. 



Wounds in the feet, treatment of, 303. 



in the mouth, treatment of, 151. 



Yellows, symptoms and treatment of the, 

 213, 



Yew, the leaves of poisonous, 200. 



Yielding resistance, the effect of in neutra- 

 lizing impetus, 414. 



Zoological classification of the horse, 61. 

 Zygomatic arch, reason of the strong con 



struct ion of the, 71. 

 Zygomaticus muscle, description of the, 



119. 



THE END. 



London : Tr intcd by W. Clowks, Stamford- street. 



