PREFACE. 



Now at length we have completed the task we set before us, 

 and we have great pleasure in offering to our kind friends 

 the public the final outcome of our work and the enterprise 

 of our publishers in the shape of the volume which now lies 

 before the reader. 



The ox is of use to mankind in several different ways. 

 Indeed, the relations in which that animal stands to human 

 beings are very numerous, and we have not been able to 

 discuss any of them thoroughly in the pages which follow. 

 The chief point we have tried to insist upon is the fact 

 that the diseases and disorders which afflict human beings are 

 causally connected with those of lower animals, and of these 

 in a high degree with the maladies of oxen, in various im- 

 portant ways. In proportion as the Science of Pathology 

 advances, the numerous and intricate connections which subsist 

 betwixt the diseases of man and those of animals will in all 

 probability be seen to be much more intimately allied than we 

 can at present understand. By way of example, it may be 

 mentioned that it is impossible to over-estimate the far-reaching 

 importance of the discovery of Dr. Klein and Mr. Power that 



