21 



ANIMALS. 



Study snails — ^land and water snails; difference in struc- 

 ture, shells, food, etc. Compare with earthworm, as to 

 senses, manner of moving, muscular action, food protec- 

 tions. Compare snail shells with other shells. 



MINERALS. 



Examine soils carefully. Origin of soil — decayed vegeta- 

 tion and disintegration of rock. Eelate qualities of soil to 

 A-egetation. 



ELEMENTARY GEOGRAPHY. 



Number of frosts or dews; compare with November; tem- 

 perature of nights; direction of prevailing wind. Relation 

 of wind to rainfall. 



liengthening of days; changing course of sun and effects 

 upon all life. 



NOTE. — Compare roots of spring beauty, crow-foot, water- 

 cress, Indian-turuip, tulip, crocus. Relate food stored by plants 

 in roots to nourishment provided by cotyledons. Rapid gi'owth 

 due to food already assimilated. Color to attract insects and 

 efCect fertilization of flower. Relate lengthening days and in- 

 creasing temperature to appearance of wild flowers and abund- 

 ance of pond life. Relate falling leaves to formation of vegetable 

 mould. EfCect of rain upon surface of ground to disintegration 

 of rocks. 



Xote difference in growth of plants grown in sand and loam. 

 Reason. 



Make a collection of spring flowers. 



JUNE. 



PLANTS. 



Continue study of flowers. Arrangement of leaves on 

 twigs ; simple and compound, netted and parallel veined. 



