viii Contents. 



CHAPTER X. 



PAGK 



MOSQUITOES AND PARASITE PROBLEMS .... 135 



CHAPTER XI. 

 HUMBLE-BEES AND OTHER MATTERS . . . .154 



CHAPTER XII. 

 A NOBLE WASP f . . 162 



CHAPTER XIII. 

 NATURE'S NIGHT-LIGHTS . . . ... . ,168 



CHAPTER XIV. 

 FACTS AND THOUGHTS ABOUT SPIDERS . . . .178 



CHAPTER XV. 

 THE DEATH-FEIGNING INSTINCT . . , , . 200 



CHAPTER XVI. 



HUMMING-BlKDS . . . . . . . . 205 



CHAPTER XVII. 

 THE CRESTED SCREAMER 221 



CHAPTER XVIII. 

 THE WOODHEWER FAMILY . . . ' . , . 235 



CHAPTER XIX. 

 Music AND DANCING IN NATURE . . . . .261 



CHAPTER XX. 

 BIOGRAPHY OP THE VIZOACHA . . ...*'.. . 289 



CHAPTER XXI. 

 THE DYING HUANACO , 314 



