12 CONTENTS. 



PAGE 



STUDYING NATURE . . . . .139 



INSECT OBSERVATION . . . . 153 



SOLITARY BEES AND WASPS . . . .165 



DRONE FLIES .... IQI 



THE PRAYING MANTIS . . . . . 2OI 



THE CORK MOTH . . . . .211 



THE CLOTHES MOTH . . . . . 2IQ 



THE DEATH-WATCH . . . . .231 



CHEESE-MITES AND FLIES . . . .237 



LEPISM^E . . ... . . 245 



POT-POURRI . . . . -255 

 A WATER BOUQUET ..... 265 



ARTISTIC PITH WORK . . . . .271 



