LIST OF ILLUSTRATIONS 



FLOWER VISITED BY A HUMMING BIRD 



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 PLANT, AND VENUS'S FLYTRAP 



RAFFLESIA ARNOLDI ..... 



WELCOME GUESTS ..... 



WINGED AND FEATHERED SEEDS ... 



SEYAL ACACIA AND SPINES - 



ASH STEM BORED BY LARVAE OF A BEETLE 



NUTHATCH FEEDING HER YOUNG 



LONG-EARED OWL BRINGING FIELD-MICE TO HER YOUNG 



PAG* 



Frontispiece 

 26 



32 

 46 



54 

 88 

 98 

 114 

 150 

 194 

 216 

 256 

 306 

 310 

 320 

 334 



