TABLE OF CONTENTS. 
PAGE 
INTRODUCTION sia eiecg:sisgisjareisre: gis 'gi0 6 Sig rane ee tote cease acces Sree 6 Sara. b arattouace: (VAL 
CHAPTER I. 
ANIMALS CLASSIFIED, ....e0ee cece eeeecee a visle sinieie ease eisle's sie 0 
CHAPTER II. 
MATERIAL FOR STUDY .c0cceweenseuaan ve aieisasnete BP ieee vaca eae ee, 
CHAPTER III. 
ACTIVITIES COMMON TO ALL ANIMALS......cccsccevecsvecsees 24 
CHAPTER IV. 
GRASSHOPPERS AND CRICKETS.......eeeeeee ee peieslsiterieaiaee “32 
CHAPTER V. 
BUTTERFLIES AND MOTHS WITH THEIR PROTECTIVE DEVICES... 45 
CHAPTER VI. 
SoME INSECTS CLASSIFIED... ....0.cceeccceeeee ereeeseseseeees 57 
CHAPTER VII. 
A CHAPTER OF LIFE-HISTORIES. 2... . ccc cece ence een c en enee . 68 
