vi INTRODUCTION 



of the regular work of many schools. This text is 

 designed for use in the upper grades of elementary 

 schools. 



The authors of this volume, Professor N. A. Bengt- 

 son and Miss Donee Griffith, have an intimate first- 

 hand knowledge of the wheat industry, including all 

 its processes of the farm, commercial movements, and 

 manufacture. They have taught the subject in the 

 elementary school, normal school, and university. 



The editor is indebted to Professor R. D. Scott and 

 Miss Myrtle Keegan for assistance in the preparation 

 of the manuscript for the publisher. 



G. E. CONDRA, Editor. 



