Xll PUBLISHERS PREFACE 



Farmer, Chicago. 



Luther Foster, director New_ Mexico experiment 

 station. 



Willis G. Johnson, late state entomologist of Mary- 

 land, associate editor American Agriculturist. 



C. S. Phelps recently of Connecticut agricultural 

 college. 



Dr F. M. Hexamer of the American institute, and 

 editor emeritus American Agriculturist. 



Joseph C. Arthur, botanist Purdue university, 

 Indiana. 



E. C. Powell, associate editor New England 

 Homestead. 



B. W. Snow, statistician Orange Judd Farmer. 



Orange Judd Company. 



