S E C T I iN I. 



OF THE HORSE, ITS DISEASES AND STRUCTURE. 



H A P T E R I. 



DISEASES OF THE HEAD, INCLUDING THE BRAIN, EARS, 

 MOUTH, NOSTKILS, EYES, &C. 



The diseases of the head in animals, as well as in the humao 

 being, are, for the most part, so complicated and obscure 

 that few non-professional men are qualified to undertake 

 their cure with success ; but it will be our endeavour to 

 treat the subject in as plain language as possible, so that 

 those who have not regularly studied the veterinary art may 

 at least acquire such a knowledge as will enable them to 

 apply some judicious remedy, until the advice of a practi- 

 tioner can be obtained. 



MEGRIMS. 



This malady is occasioned l)y a pressure on the brain, 

 caused by an unusual flow of blood to it. The flow of 

 blood through the brain is ten times greater in quantity 

 thali through any other portion of the body of equal bulk. 

 To prevent as far as possible any unusual flow of blood to 

 this organ, the arteries pursue an extremely winding and 

 circuitous course, and enter the skull through small holes 

 in the bony process. These holes are so small that they will 



