CONTENTS Continued 



CHAPTER PAGE 



chanics Use of cement Shop work Rope tying 

 and splicing Problems and experiments Play 

 contests Club projects. 



XXXIV ROAD BUILDING AND MAINTENANCE 498 



Importance of good roads Types of roads Lo- 

 cation of a road Qualities making a good road 

 Construction of earth roads Maintenance 

 Topics for investigation Road demonstrations 

 Road clubs. 



XXXV BIRDS AND OTHER INSECT DESTROYERS 510 



Birds and their food Birds helpful to agricul- 

 ture Harmful birds Other insect destroyers 

 Protecting birds Topics for investigation. 



XXXVI MISCELLANEOUS INFORMATION 518 



How to remove stains Location of colleges and 

 experiment stations. 



To THE TEACHER i 



INDEX 



xv 



