LETTER OF TRANSMITTAL. 



Honolulu, T. H., January 17th, 1906. 



To the C'onmiitlcc on Experiment Station, H. S. P. A., Hono- 

 lulu, T. H. 



Gentlemen: — I herewith submit for publication the tenth \ydvt 

 of the Bulletin on "Leaf-Hoppers and Their Natural Enemies," 

 which is chiefly supplementary to the first part, and deals with 

 observations made and material collected by Mr. Koebele in 

 Australia and Eiji. This material was not available until the 

 first part of the bulletin had already been completed. 



Yours obediently, 



R. C. L. PERKfNS. 

 Director, Division of Entomology. 



