THE BIRD CENSUS AND FOOD CHART 



321 



form, structure, methods, and materials used by the birds 

 in building. Knowledge on all the above points will 

 find application in a succeeding sec- 

 tion, when we consider methods of 

 attracting the birds and of provid- 

 ing for their needs. Nothing in all 

 ornithology is better fitted to inspire 

 in a child the love of bird life than 

 the study of their wonderful nests, fig. 123. Nest of balti- 

 If the children were given a course ^'°'''' Oriole 



in such study during February or March, they could hardly 

 be induced to molest a bird's nest the following season. 



A great deal of information, giving at a glance the 

 essence of years of study and hundreds of pages of bird 



Fig. 124. Bird Census as kept on Blackboard, Upsala Street School, 



Grade VII 



