Contents 



CHAPTER 



XVII. SEED-SCATTERING 



XVIH. SEED-CARRIERS . . .' 



XIX. CHANCES OF LIFE . 

 XX. FRIENDS AND FOES 



XXI. NATURE'S MILITIA . . 



XXII. MAN'S WORK ON THE FARM • 



INDEX . , . , 



rAGB 



• 346 



. 261 



. 277 



• 3CX) 



• 313 



• 337 

 . 361 



