LIST OF ILLUSTRATIONS 



FLOWER VISITED BY A HUMMING BIPD - - Front 



SNOWDON . . - - • 



LICHENS ON A ROCK - - - . 



DELTA AT THE HEAD OF THE LAKE OF GENEVA 



MANGROVE SWAMP - - - - 



THE GREAT ANT-BEAR . - - 



BARREL CACTUS AND DESERT VEGETATION IN UTAH 



DATE PALM ON THE EDGE OF THE DESERT 



SUNDEWS, PITCHER 



RAFFLESIA ARNOLDI - - - - = 



WELCOME GUESTS - - - - - 



WINGED AND FEATHERED SEEDS ... 



SEYAL ACACIA AND SPINES - . . - 



ASH STEM BORED BY LARV^ OF A BEETLE 



NUTHATCH FEEDING HER YOUNG 



LONG-EARED OWL BRINGING FIELD-MICE TO HER YOUNG 



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spiece 

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32 

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54 



88 

 98 

 114 

 150 

 194 

 216 

 256 

 306 

 310 

 3-0 

 334 



