106 NATURE STUDY AND AGRICULTURE 



general principles of horticulture; acquaintance with the 

 more successful varieties of apples; a comparative study 

 of the pear; apple and pear industry in Illinois; visits to a 

 nursery. 



Insects: Any insect pests encountered in connection 

 with the plant studies. 



Birds: The birds of prey; owls, sparrow hawk, red- 

 tailed hawk, sharp-shinned hawk, and others; the value of 

 birds of prey to the farmer; characteristics of these birds 

 as a group; special study of the migration of birds; con- 

 tinue the study of warblers. 



Botany: The great plant groups; observation of the 

 gross anatomy of types of algae, fungi, liverworts, mosses, 

 fern, conifers, monocots, and dicots. 



