VI 



CONTENTS 



CHAPTER PAGE 



XXII. THE ASCOSPORE AND OTHER FUNGI 242 



XXIII. BACTERIAL DISEASES OF PLANTS. . . . . . 229 



XXIV. PREVENTIVES OF FUNGOUS DISEASES . . . . . 264 

 XXV. FUNGOUS DISEASES OF INSECTS . ' 271 



XXVI. BACTERIA AND PLANT FOOD ...... 275 



PART IV 

 FRIENDS AND FOES AMONG THE BIRDS 



XXVII. THE RELATIONS OF BIRDS TO FRUIT ORCHARDS . . 285 



XXVIII. THE RELATIONS OF BIRDS TO MEADOWS AND PASTURES . 291 



XXIX. THE RELATIONS OF BIRDS TO GARDENS AND FIELDS . 296 



PART V 

 FRIENDS AND FOES AMONG THE MAMMALS 



XXX. THE SQUIRRELS . . . ' ; V - v . ' . . . 307 



XXXI. THE MICE AND RATS . . . . . . . 312 



XXXII. THE RABBITS, POCKET GOPHERS, MOLES, AND SHREWS . 321 



BIBLIOGRAPHY 

 INDEX 



328 

 3 2 9 



