i62 NATURE-STUDY REVIEW 111:3— Mar., 1916 



Problems — 



How is our building heated and ventilated? 



Why should the public drinking cup be abolished? 



What is being done in other cities in the medical inspection of schools 



What is being done in Mankato? 



What further could be done along this line? 



Spring 

 I. Forestry : with special reference to the forests of Minnesota. 



1 . Uses of forests. 



2. Decrease of forests. 



3. Enemies of forests. 



4. Proper methods of handling our forests. | 



5. Need and method of saving our forests. ^ 



6. State and national reservations. % 



7. The Bureau of Forestry of the Department of Agriculture. % 



8. Work of the Minnesota State Forest Service. 



9. Tree planting on prairies. 



10. Work of the parts of a tree — root, stem, leaf. 



1 1 . Structure and uses of wood. 

 Problems — 



Of what use are forests while standing? 



What are the chief enemies of forests? (See type lesson, page 167) 



How may these enemies be controlled? 



What is the proper way to care for forests? 



What national reservations has the government made? 



What is being done by the national Bureau of Forestry to care for 



our national forests? 

 What is being done by the Forest Service of Minnesota to care for 



our state forests? 

 To what extent may trees be planted on the prairies? 

 What work is done by the roots, stem, and leaves of the tree? 

 How does the appearance of the cuts of different woods differ? 

 How does the appearance of different cuts of the same wood differ? 

 II. Bird Friends of Our Trees and Forests. 



1. Special study of the birds of the woods, such as warblers, thrushes, 



woodpeckers, vireos. 



2. Economic value of birds to the forests in destroying injurious 



insects; value elsewhere in destroying also weed seeds and 

 rodents. 



3. Bird enemies; shooting, millinery, cats, English sparrow, natural 



enemies. 



4. Work of national government to protect birds. 



A. Laws protecting migratory birds. 



B. Tariff restrictions on feathers. 



C. Bird reservations. 



D. Work of Bureau of Biological Survey. 



5. Adaptations shown in bill, feet, tail, and wing. 



