320 



NATURE STUDY AND LIFE 



discussions and descriptions as to the kind of places the 

 different birds choose to nest in. Drawing should be 

 combined with this, and each schoolroom might contain, 



FIG. 122. 



Chart and census of a city block, Worcester, Mass., for 1898 and igoi. Stars signify 

 nests in 1898, viz., two robins, one oriole, one chipping sparrow, and one downy woodpecker. 

 Initial letters stand for nests in 1901. Note the gain, 300 per cent, in three years. Houses, 

 trees, and shrubbery are appropriately indicated; r., robin; o., oriole; b.b., bluebird; 

 TV. p., wood pewee; c.s., chipping sparrow. The trees are: 



Apple .... * 5 



Ash, Mountain 2 



Dirch 13 



Cherry (one redstart, 1900) . ... 9 

 Chestnut one woodpecker (one ori- 

 ole, 1900) 29 



Elm 5 



Hawthorn one chipping sparrow . i 



Hickory 4 



Maple one robin (two robins, 1900) . 



Oak (one robin, 1900) 



Peach 



Pear one robin, one oriole . 



Pine, etc 



Plum 



Others ... 



Total number of trees 



Bignonia vines (three chipping spar- 

 rows, 1900) 



either in a case or hung about the walls and windows, 

 a collection of a few deserted nests. These the pupils 

 could use for special drawing work and for the study of 



