xvi CONTENTS. 



CHAPTER XI. 



THE HAWK MOTHS (SPHINGID^E). 



PAGE 



Leading characteristics of this favourite group Posterior spine or 

 caudal horn Sphinx-like attitude Highly specialized condition of 

 some of the structural characters, of peculiar interest Macroglos- 

 sinse Chcerocampinae Ambulicinae Sphinginae Manducinae 

 Smerinthinae Sphingidae have their metropolis in Tropics 

 Occasional visitors from sunny climes ... ... ... 219 



CHAPTER XII. 

 THE DEATH'S HEAD MOTH. 



In several respects a most remarkable species " Grim feature " It 

 has a voice Many theories put forward to account for the cry 

 Sound emitted by pupa By larva ; its nature and cause Moth of 

 superior dimensions, of nocturnal habit Not surprising it should 

 be an object of alarm to the superstitious As a bee-robber That 

 its stridulous voice controls the bees It is excessively sluggish 

 At sea That it is nomadic in habit Times of appearance in 

 imago ; in larva Single- or double-brooded with us On rearing 

 the Death's Head Moth ... ... ... ... 230 



INDEX ... ... ... ... ... 245 



