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 contam, 



nnJJLLL_Mi_I_L_L 8f 





:V 



r 



Fig. 122. 



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

 nests in i8q8, viz., two robins, one oriole, one chipping spanow, and one downy woodpecker. 

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

 trees, and shrubber>' are appropriately indicated; r., robin; o., oriole: l>.b., bluebird; 

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



Apple 



Ash, Mountain 



Birch 



Cherry — (one redstart, 1900). . . . 

 Chestnut ^ — one woodpecker (one ori- 

 ole, 1900) 



Elm 



Hawthorn — one chipping sparrow 

 Hickory 



5 Maple — one robin (two robins, 1900) . 45 



2 Oak — (one robin, 1900) 55 



13 Peach 5 



9 Pear — one robin, one oriole .... 38 



Pine, etc 95 



29 Plum 7 



5 Others 6 



I Total number of trees 319 



4 Bignonia vines — (three chipping spar- 

 rows, 1900) ic 



either in a case or hang 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 



