176 FARM AND SCHOOL PROBLEMS. 



Government Bulletins. 



Those advertised by the U. S. Department of Agriculture 

 for sale and free distribution are as follows : 



Bulletin 



1. Publication of the Forest Service, Circular n. Number. 



2. Forest Products of the United States 74 



3. Wood Preservation in the United States 78 



4. Protection of Forests from Fire 82 



5. The Forest Resources of the World 83 



6. Windbreaks ; Their Influence and Value 86 



7. Light in Relation to Tree Growth 92 



8. Reforestation on the National Forests 98 



9. Forest Nurseries for Schools.. . 423 



CIRCULARS. 



Number. 



1 . Suggestions to Prospective Forest Students 23 



2. Arbor Day 96 



3. Forestry in the Public Schools 130 



4. Forests of the U. S. ; Their Use ., 171 



5. The Timber Supply of the U. S 166 



6. Forestry and Lumber Supply 25 



7. Experiments on the Strength of Treated Timbers 39 



8. Strength Values for Structural Timbers . 189 



FARMERS BULLETINS. 



Number. 



1 . A Primer of Forestry (In two parts) 173 



2. Forest Planting and Farm Management 228 



3 . Maple Sugar and Syrup 252 



4. The Preservative Treatment of Farm Timbers.. . 387 



