LETTER OF TRANSMITTAL 



To the Experiment Station Committee, Hawaiian Sugar Plant- 

 ters' Association. 



Honolulu, T. H., April t8, 1905. 



Gentlemen : I herewith submit for publication the first part 

 of a bulletin entitled "Leaf-hoppers and their natural enemies." 

 It will need about eight additional parts of varying length to 

 complete this study. 



Yours obediently, 



R. C. L. PERKINS, 

 Director, Division of Entomology. 



