ACKNOWLEDGMENTS xiii 
“Poultry Craft’? and “Principles and Practices of Poultry Culture,” by 
John Robinson. 
“Farm Poultry,” by G. C. Watson. 
“Farm Management,” by F. W. Card. 
“Principles of Breeding,” by Eugene Davenport. 
“Animal Breeding,’”’ by Thomas Shaw. 
“Feeds and Feeding,’ by W. A. Henry. 
Any one or all of these books can well be secured for one’s 
library, to be used as texts or reference works. 
To all who have in any way aided in the completion of this 
volume, whether by direct coéperation or through the establish- 
ment of facts through research and investigation, the author feels 
and-expresses his obligation. May they share with him the success 
of this effort. Harry R. Lewis. 
New Brunswick, New Jersey, 
August 10, 1914. 
