iv CONTENTS. 



PAGE. 



Insects, etc. : 



Southern Corn-Root Worm or Twelve- Spotted Cucumber Beetle. 809 



Squash Lady-Beetle ^^° 



Squash Bug 811 



Melon Aphis or Plant Louse 813 



Squash Aphis 814 



Greenhouse White Fly °^5 



Elm Leaf Beetle 815 



History and Distribution 816 



Life History and Habits 817 



Description 818 



Effect upon the Trees 819 



Food Plants 820 



Number of Generations 820 



Natural Enemies 821 



Remedies 823 



Outfit for Spraying Elm Trees 825 



Siunmary >!%. 827 



Green Clover Worm a Pest of Beans '. . 828 



Identity Established .*..... 828 



Injury to Beans and other Food Plants 829 



Life History 829 



Description 830 



Remedies 832 



Treatment of Cabbage Plants to Preveht Injury by Cabbage Maggot 832 



Mount Carmel Experiments 832 



Branford Experiments 835 



Value of Tarred Paper Disks 835 



Making the Paper Disks 836 



Experiences with Home-Made Soluble Oils and some other Spray 



Mixtures 837 



Other Oils Tried 840 



New Pr'epared Lime and Sulphur Washes 840 



Conclusions 841 



Insect Notes 842 



ILLUSTRATIONS. 



Figure 9 is from a drawing by W. E. Britton; 10, 19 and 20 are from 

 drawings by B. H. Walden; 11 to 18 are from the Bureau of Entomology, 

 U. S. Department of Agriculture. 



Plates XLII and XLIII are from photographs by G. H. HoUister; LI, 

 LIV a and b, LV a and e, and LVII b, by W. E. Britton; LVI after 

 Prof. J. B. Smith, N. J. Agricultural Experiment Station ; all others from 

 photographs by B. H. Walden. 



