HARNESSING 

 THE EARTHWORM 



by 

 Thomas J. Barrett 



A third edition of this practical manual 

 became immediately necessary because of its 

 astounding demand around the world. But 

 perhaps this demand is not so astounding 

 when we consider a statement by Dorothy 

 Canfield in the Jtook-of-t he-Month Club 

 News: "Harnessing the Earthworm is a 

 'reading book' for anybody with sense 

 enough to know that our very lives depend 

 on saving what top-soil the globe still has, 

 and doing all that is possible to create condi- 

 tions in which more can be made, and made 

 more rapidly than by the haphazard leisurely 

 methods of nature, which takes from five 

 hundred to a thousand years to lay down one 

 inch of top-soil." 



Reader's^Digestj in a thrilling story about 

 Dr. Barrett's experiments and achievements 

 and about this book, thus describes the work 

 of the lowly but vital creature: "Earth- 

 worms, by their ceaseless boring, keep the 

 earth's crust friable; they transform vege- 

 table and animal waste into rich humus; 

 they change the earth's chemicals into solu- 

 ble plant food; their countless trillions of 

 tiny tunnels enable rain water and air to 

 penetrate the soil." 



This first comprehensive volume on the 

 subject is filled not only with fascinating 

 reading but also, and more practically, with 

 exact procedures for earthworm culture and 

 for use of earthworms in general farming 

 and orcharding. Part I discusses "The 



(Continued on back flap) 



BRUCE HUMPHRIES, INC. 



