33 



on fire lines and patrol would give protection. 



150. This question of forest fires is not wholly an indi- 

 vidual question. It is partly a community question; for the 

 rights of many persons are involved. If an owner sets his 

 woods afire the fire may spread to neighboring woods, or it 

 may burn up his neighbor's fences, fodder stacks, and build- 

 ings. Fire is in a class with poisons and explosives; and if 

 it is used, it should be used carefully and with reference to 

 the rights of others. 



151. Topics for further study; 



(a) Relation between broken places in the bark 

 and fungous attack, 



(b) Part played by birds in insect suppression, 



(c) Effect of forest fires on the bases of mature 

 trees, 



(d) Effect of fires on turpentine boxes, 



(e) Effect of fires on the composition of stands, 



(f) Destruction of birds nests and young birds 

 by fires. 



