Contents 



CHAPTER PAGE 



XII THE GEOTRUPES: THE PUBLIC 



HEALTH 272 



XIII THE GEOTRUPES: NEST-BUILDING 292 



XIV THE GEOTRUPES : THE LARVA . 317 



XV THE SISYPHUS : THE INSTINCT OF 



PATERNITY 336 



XVI THE LUNARY COPRIS ; THE BISON 



ONITIS ' 355 



XVII THE BULL ONTHOPHAGUS: THE 



CELL 377 



XVIII THE BULL ONTHOPHAGUS: THE 



LARVA; THE NYMPH . . . 402 



INDEX . . ... . . .421 



