INTRODUCTORY. 7 



of time in the wild hunt throngh the almost boundless ranges of 

 continental literature. 



The description of disease is largely illustrated from photo- 

 graphs of the author's patients, taken by himself to assure abso- 

 lute accuracy. Many of the ailments of animals are forcibly 

 expressed in peculiar attitudes. Such attitudes as are distinct 

 symptoms of any disease are shown in photographic illustrations, 

 which may serve as a test to prove the accuracy of a diagnosis. 



