CONTENTS 



FACE 



I. HOMING OF SEA-SWALLOWS . . i 



II. A PECULIAR PEOPLE . . . 9 



III. RAIDS OF THE AMAZON ANTS . . 17 



IV. SOCIAL LIFE OF WASPS ... 24 

 V. THE CAWING OF ROOKS ... 32 



VI. CUCKOO PUZZLES . . . . 39 



VII. THE FROG'S YEAR . . . . 47 



VIII. THE EDUCABILITY OF A SNAIL . 55 



IX. THE CULT OF SHELLS ... 62 



X. THE FITNESS OF RIGHT WHALES . 71 



XL THE INTERNAL ECONOMY OF THE 



SEA ....... 80 



XII. SEA-MEADOWS 88 



XIII. FRANKINCENSE AND MYRRH . . 95 



XIV. COUNTRY SOUNDS .... 103 

 XV. THE FALL OF THE YEAR . . A 1 1 1 



XVI. THE SURVIVAL OF THE OTTER '. 120 



XVII. MIDWINTER . . . . . 127 



XVIII. THE MICROCOSM OF THE EGG . .134 



