4 PREFACE 



called particularly to the following bulletins because 

 of their great usefulness in rural school agriculture : 



Exercises in . Elementary Agriculture. Bulletin 

 1 86, Experiment Stations Office, Washington, D.C. 



School Exercises in Plant Production. Farmers' 

 Bulletin, 408. 



Boys' and Girls' Agricultural Clubs. Farmers' 

 Bulletin, 385. 



School Lessons on Corn. Farmers' Bulletin, 409. 



Forestry in Nature Study. Farmers' Bulletin, 468. 



Fifty Common Birds of Farm and Orchard. 

 Farmers' Bulletin, 513. 



