CONTENTS 



PAGE 



INTRODUCTION . . ' 4 



SOME COMMON INSECTS 



A STUDY OF AUTUMN WEEDS . 16 



KEY TO THE COMMON WEEDS OF THE CHICAGO REGION . . . . 17 



ANIMALS OF POND AND STREAM .......... 3 



TREES 3$ 



KEY TO TREES OF THE CHICAGO REGION 42 



THE SPORE-BEARERS S 2 



ANIMAL COMPANIONS 5 6 



BIRD-STUDY 67 



FIELD KEY TO CHICAGO BIRDS . . 85 



SEEDS AND SEEDLINGS 109 



THE GARDEN n6 



405974 



