CONTENTS. vii 



CHAPTER VII. 



CONCLUSION. 



Summary of the part which worms have played iu the 

 history of the world Their aid in the disintegra- 

 tion of rocks In the denudation of the land In 

 the preservation of ancient remains In the pre- 

 paration of the soil for the growth of plants 

 Mental powers of worms Conclusion. 



Pages 308-316 



LNDEX ....... 317-328 



