150 NATURE-STUDY REVIEW [11:3— Mar., 1915 



We will make an hour glass and see if we can keep account of time 

 by it. 



Spring 



I. The Awakening Life of Spring. 

 i . Trees and shrubs. 



A. Flower calendar of trees. Special study of tree flowers of 



common shade trees and fruit trees. 



B. Special study of fruit trees and small fruits, such as apple, 



plum, cherry, strawberry, raspberry, blackberry, cur- 

 rant, pollination of fruit blossoms; grapes. 



C. Watch development of twigs of fruit trees kept indoors in 



water. 



D. Insect enemies of fruits — the codling moth. 



E. Methods of propagating fruits. 



Problems — 



How do the flowers of our shade trees differ from the flowers of fruit 



trees? 

 In what ways is the apple blossom adapted to bring about insect 



pollination? 

 In what ways are the flowers of the plum and cherry alike? 

 How may we raise strawberries in our home gardens? 

 What are the methods of getting new apple trees? 

 What of getting new plants of grapes, currants and other fruits? 



2. Cultivated shrubs. 



Study of flowers of spring blooming shrubs such as lilac, June- 

 berry, golden bell, flowering almond, snowball, weigelia, bridal 

 wreath. 



Problems — 



What makes each of these an attractive shrub to grow in our yards? 

 How can we tell them apart? 



II. The Returning Life of Spring. 

 Birds. 



A Special study of birds of the slough such as red- winged black- 

 bird, kingfisher, bobolink, marsh wren; and of birds of 

 meadows and fields such as bobwhite, horned lark, 

 goldfinch, meadow lark, song sparrow, vesper sparrow, 

 field sparrow, flicker, cowbird, indigo bunting. 



B. Building open nesting boxes for the robin and phcebe. 



C. Migration; times; groups of birds (permanent, summer and 



winter residents, transient visitants) ; routes, distances, 

 causes. Calendar of spring migration. 



D. Bird enemies; bird protection. Special emphasis on the 



work of the Audubon Societies. 



E. Formation of Audubon Bird Club; meetings during term. 



