TO 



ALL WHO ARE INTEEESTED 



IN THE WORK OF 



SAVING FOOD OR TIMBER OR FRUIT CROPS FROM 

 INSECT RAVAGE; 



TO 



THE MANY FEIENDS, 



BOTH IN MY OWN COUNTRY AND IN OTHER PARTS OF THE WORLD, 



TO WHOSE KIND HELP AND ENCOURAGEMENT I HAVE 



BEEN INDEBTED FOR MANY YEARS ; 



AND ALSO TO THK 



MEMORY OF THOSE AMONG THEM WHO ARE NO LONGER WITH US : 



CI/is Moxh 



IS GRATEFULLY AND RESPECTFULLY INSCRIBED BY 



THE WEITER. 



