PREFACE 



This little book has been written in fulfilment of a 

 promise made many years ago. Again and again I 

 have undertaken the work, only to lay it aside be- 

 cause I felt the need of greater experience and wider 

 knowledge. I do not now feel that this deficiency has 

 been by any means fully supplied, but 'in some direc- 

 tions it has been removed through the kindness of Dr. 

 F. H. Chittenden of the Bureau of Entomology, who 

 wrote the chapter on insect enemies, and of W. A. 

 Orton of the Bureau of Plant Industry, United 

 States Department of Agriculture, who wrote the 

 chapter on diseases of tomatoes. 



I have made free use of, without special credit, and 

 am largely indebted to, the writings of Doctor Stur- 

 tevant and Professor Goff, Professor Munson of 

 Maine, Professor Halsted of New Jersey, Professor 

 Corbett of Washington, Professor Rolfs of Florida, 

 Professor Bailey of New York, Professor Green of 

 Ohio, and many others. I have also found a vast 

 amount of valuable information in the agricultural 

 press of this country in general. I am also indebted 

 to L. B. Coulter and Prof. W. G. Johnson for many 

 photographs. My thanks are also due B. F. William- 



