XIV PREFACE. 



to be his " ovm Cattle Doctor," lAay enable him tos)^ the life 

 even of the meanest animal on his estate. In a wbrd, the want 

 of some such work would be an obvious defect in eyet-y ff%ners 

 hbrar)-, however small it may be, and this one is of thei^iiglfest 

 and most recent authority in a countr}' where the* subjects. of 

 which it treats have been most carefully investigated arid are 

 best understood. To have been revised and sanctioned by Mr. 

 YouATT, as it is beheved to have been, is of itself a sufficietit 

 title to pubhc confidence. 



J. S. S. 



Washington^ April, 1844. 



