Vlll 



Contents. 



CHAPTER X. 



PAGE 



MOSQUITOES AND PARASITE PROBLEMS . 135 



CHAPTER XI. 



HUMBLE-BEES AND OTHER MATTERS . . ,154 



CHAPTER XII. 

 A NOBLE WASP . 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-BIRDS ........ 205 



CHAPTER XVII. 

 THE CRESTED SCREAMER 221 



CHAPTER XVIII. 

 THE WOODHEWER FAMILY .... 3 . 235 



CHAPTER XIX. 

 Music AND DANCING IN NATURE 261 



CHAPTER XX. 

 BIOGRAPHY OP THE VIZCACHA 289 



CHAPTER XXI. 

 THE DYING HUANACO . 314 



