﻿LETTER OF TRANSMITTAL. 



To Special Committee on Experiment Station, Hawaiian Sugar 

 Planters' Association, Honolulu, T. H. 



Gentlemen: — I herewith submit for publication Part IV of 

 Lkilletin L This deals with the two-winged flies parasitic on 

 leaf-hoppers, thirty-four species of these parasites being here 

 enumerated, and thirty-one of these described as new. 



Yours obediently, 



R. C. L. PERKINS, 

 Director, Division of Entomology. 



Honolulu, T. H., August nth, 1905. 



I 



