412 RELATIONS OF BIRDS TO AGRICULTURE 



5. Give some arguments for and against the protection of crows; yellow- 



bellied woodpecker. 



6. What determines the usefulness or contrary of any bird? 



7. Why should a farmer hesitate before condemning any bird? 



8. Name some beneficial hawks; some injurious ones. 



9. Suggest methods by which birds may be attracted. 



10. Give details necessary in construction and use of bird houses. 



11. Enumerate some of the methods for protecting crops from small birds 



and from crows. 



12. Give the bad, and good qualities (if any) of the English or European 



sparrow. 



13. What can you say from your own experience in its favor? 



14. What metnods are suggested for its destruction? 



15. From your own observations, would you regard the brown thrush to be 



useful or the contrary? Give reasons. 



16. How would you judge the cat-bird in this connection? 



17. Give points to be observed in the study of birds. 



References. U. S. Farmers' Bulletin : 493, The English Sparrow as a 

 Pest; 497, Game, Aquatic, and Rapacious Birds in Relation to Man; 513, 

 Fifty Common Birds (15 cents); 609, Bird Houses and How to Build Them; 

 630, Some Common Birds Useful to the Farmer; 755, Common Birds of South- 

 eastern United States. 



U. S. Dept. Agr. Yearbook Separates: 504, Plants Useful to Attract 

 Birds and Protect Fruit; 659, Winter Crow Roosts. Leaflets and Bulletins, 

 National Association of Audubon Societies, New York City. Bird Guide to 

 Land Birds, C. K. Reed, Worcester, Mass. 



