Birds of Oregon and Washington 281 



tive insects, as they are also the protectors of 

 the food-plants which we must raise upon our 

 land to feed the people. 



Since the modern science of Pedagogy de- 

 mands that all Nature Study should be made 

 objective, this book assumes that any interest 

 aroused in the pupils, by reading its pages, will 

 at once be made vital and permanent, by going 

 from the book to the birds which the book has 

 described. 



By means of the Size "and Color Keys, the 

 birds referred to in the reading may be quite 

 easily found. Once the identification and obser- 

 vation of birds have begun, a natural interest 

 will lead pupils to include all the ground covered 

 by this little book and more. 



The book is purposely made of a size conven- 

 ient for the pocket or the hand, for out-of-door 

 use. 



The reason for the order in which the birds 

 are given is indicated at the beginning of Chapter 

 V, *' How to Name the Birds." But here there 

 should be a pedagogical justification of what may 



