REPORT ON THE FROGHOPPER BLIGHT OF 

 SUGAR-CANE IN TRINTIDAD. 



By C. B. Williams, M.A., F.E.S., 

 ( Enfomologifit in charge of Froghopper Investigations.) 



Section I.— INTRODUCTION. 



IE.— THE NATURE OF THE BLIGHT. 



III.— THE HISTORY OF THE BLIGHT IN 

 TRINIDAD. 



IV.— FROGHOPPERS IN OTHER COUNTRIES. 



V.-THE TRINIDAD FROGHOPPER. 



VI.— THE NATURAL ENEMIES OF THE 

 FROGHOPPER. 



VII.— THE ROOT DISEASES OF SUGAR-CANE. 



VriL— FACTORS INFLUENCING THE PREVALENCE 

 OF BLIGHT. 



IX.— GENERAL PROBLEMS. 



X.— CONTROL. 



SUMMARY. 



BIBLIOGUAPHY. 



