580 THE PRACTICE OF VETERINARY MEDICINE. 



students, who expressed themselves as desirous of having a 

 copy of the above Essay, I have been induced to insert it in 

 the body of this work, in its complete form, as read before 

 the Veterinary Medical Society in Toronto, Ontario. A 

 portion, comprising about two-thirds of the essay, appeared 

 in the (London) Veterinary Journal y of April and May, 

 the year 1884. 



