Bots. 279 



hended, then the following should be given after 

 the calomel and male fern: — 



Turpentine \ oz. 



Castor oil , 2 oz. 



Gum-arabic in powder 1 oz. 



made into a ball with treacle. Warm mashes 

 should be given for a day or two afterwards. It 

 seldom happens that the animals are entirely 

 expelled with one dose, therefore it is necessary 

 to repeat the doses, for unless we are certain that 

 the entire animal has been discharged, our work 

 is not half complete, as, if only one link is broken 

 off, and left in the intestines, it will be generated 

 into a perfect worm, they having the property of 

 reproducing the parts of which they have been 

 deprived. So much for the tapeworm. May my 

 reader never have the trouble to expel them ! 



THE BOTS. 



These are another and common kind of worm, 

 or, more properly speaking, they are the larvse of 

 the gadfly, (Estrus eqiii. There are two species 

 of the gadfly, hence we have two species of bots, 

 which are known under the distribution of red 

 bots and white bots. Their natural history and 

 habits are exactly alike. Horses may be affected 

 by bots without being materially injured by them, 

 but I cannot agree with Mr. Bracy Clark that 

 they are essential to the well-being of the horse, 

 or that they were destined by Nature to act upon 

 the food in the stomach by trituration, or as pepper 

 does in the human stomach. Like every other 

 part of the animal's body, this organ is so admirably 

 constructed that in its healthy condition no arti- 



