Chapter 7

Care of Plants in the Home 120

Trees 121 Collection of Wood Specimens 122

Related Reading 122

The Dog 123 Class-room lesson; observation exercises; correlations 123

Lessons Involving Comparison 125 Cat and dog; experiments for assisting in the study of the cat; comparison of the horse and cow 126

The Squirrel 129 Field exercises; class-room lesson 129

Winter Birds 130 Field exercises; class-room lesson; correlations 130

Animals of the Zoological Gardens 132