XVI 



LIST OF ILLUSTRATIONS 



The display of the Grasshopper Warbler. 



The display of the Sun-bittern 



The Kagu in display .... 



A male — Savi's Warbler 



Another aspect of the Kagu's " display " 



Some strange accompaniments of courtship ; 



The White-headed Bell-bird . 



The Umbrella-bird . . . . 



Skull of the American white-beaked Pelican 

 Head of a Puffin, showing the moulting of the beak 



sheath ...... 



The Satin Bower-bird and its bower 

 The " bower " of the Bower-bird . 

 The Bearded Lizard .... 



Bright colours which cannot be attributed to " sexual 



selection " ..... 



Stridulating organs, etc. 



Crickets and May-flies .... 



Male Astia displaying before the less brilliant female 

 Male Icius displaying .... 



Scorpions ...... 



Death of the male Scorpion . 

 The female Mantis devouring her mate . 

 The "Fiddler-crab" among mangrove roots 

 Tlie "Fiddler-crab" .... 



Some remarkable devices 



Some remarkable methods of " courtship " 



FaciH§ p*gt 

 142 

 142 

 142 

 152 



156 

 156 

 156 



156 

 158 

 158 

 166 



200 

 218 

 220 

 242 

 242 

 252 



254 

 254 



258 



258 



262 



268 



