CONTENTS. 
CHAPTER I. 
mm 
Life and her Children . ...... i 
CHAPTER II. 
Life's Simplest Children, how they Live, and Movis, 
and Build 14 
CHAPTER III. 
How Sponges Live 33 
CHAPTER IV. 
The Lasso-Throwers of the Ponds and Oceans . 
CHAPTER V. 
How Star-pish Walk AND SEA-URCHINS GROW 
CHAPTER VI. 
The Mantle-covered Animals, and how ran I ive 
with Heads AND WITHOUT hum .... 
CHAPTER VII, 
The Outcasts of Amm m 1 ifi, \n 
Animals by Sea and by Land « 
