CONTENTS. 
CHAPTER I. 
PAIJH 
LIFE AND HER CHILDREN t 
CHAPTER II. 
LIFE'S SIMPLEST CHILDREN, HOW THEY LIVE, AND MOVE, 
AND BUILD 14 
CHAPTER III. 
How STONGES LIVE 33 
CHAPTER IV. 
THE LASSO-THROWERS OF THE PONDS AND OCEANS . . 50 
CHAPTER V. 
How STAR-FISH WALK AND SEA-URCHINS GROW . . 77 
CHAPTER VI. 
THE MANTLE-COVERED ANIMALS, AND now THEY LIVE 
WITH HEADS AND WITHOUT THEM . . . 103 
CHAPTER VII. 
THE OUTCASTS OF ANIMAL LIFE, AND THE ELASTIC- RINGED 
ANIMALS BY SEA AND BY LAND 135 
