CONTENTS 



Prologue 9 



PART I 

 THE EARTHWORM AND ITS ENVIRONMENT 



I. Humus 19 



The Humus Factory . . . The Earthworm 

 Family . . . Intestines of the Earth . . . Why and 

 How . . . The New Frontier 



II. The Earthworm in Nature 34 



III. The Earthworm in Scientific Literature 38 



Soil-Builders of Forest Lands . . . Mass Pro- 

 duction of Topsoil on Farm Land . . . The Earth- 

 worms of the Nile . . . Fertility of Earthworm 

 Soil . . . Subsoil : Its Translocation and Mixing 

 by Earthworms . . . Summary 



IV. Can It Be Done? 56 



PART II 



THE EARTHWORM UNDER CONTROL 

 V. A New Concept 61 



VI. Earthworms in General Farming 65 



"My Grandfather's Earthworm Farm" as told 

 by Dr. George Sheffield Oliver. 



VII. Orcharding With Earthworms 76 



VIII. Domesticated Earthworms 84 



Characteristics . . . Domesticated Earthworms 

 Versus Native Earthworms 



IX. Breeding Habits of the Earthworm 96 



