TESTS 571 



8. What are ten useful birds in your community? Tell specifi- 

 cally why each is useful. 



9. How would you protect five useful birds ? 



10. What are ten insects that do harm ? How does each do harm ? 

 How could you get rid of each? 



11. What are five useful insects that affect you directly or 

 indirectly? 



12. What agencies can you call upon to help in the extermination 

 of harmful insects ? 



Practical Problems 



1. Make a survey of the plants and animals used in your locality 

 for (a) food, (6) clothing, (c) other uses. List all in order of economic 

 importance. 



2. Make a bird house for your yard and report on the birds that 

 inhabit it. 



3. Make a bird bath for your yard and keep a list of different bird 

 visitors. 



4. Make a list of all insects that trouble your garden and try to 

 find out the birds which prey upon them. 



Useful References 



DePuy, Our Insect Friends and Foes. (Winston Co. 1925.) 

 Downing, Our Living World. (Longmans, Green & Co. 1924.) 

 Farmers' Bulletins, 513, 630, 740, 801, 896, 1294, 1326, 1346, 1353, 



1371. U. S. Dept. of Agriculture. 

 Forbush, Birds of Massachusetts and Other New England States. (Com- 

 monwealth of Massachusetts. 1925.) 

 Henderson, The Practical Value of Birds. (The MacmillanCo. 1927.) 

 Herrick, Insects Injurious to the Household and Annoying to Man. 



(The Macmillan Co. 1926.) 

 Hornaday, The American Natural History. (Charles Scribner's Sons. 



1926.) 

 Jordan and Evermann, American Food and Game Fishes. (Doubleday. 



Doran & Co. 1923.) 

 Sanderson, Insect Pests of Farm, Garden and Orchard. (John Wiley 



& Sons. 1921.) 

 Toothaker, Commercial Raw Materials. Pp. 58-78. (Ginn & Co. 



1927.) 

 Trafton, Bird Friends. (Houghton Mifflin Co. 1916.) 



