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LETTER OF SUBMITTAL. 



Sir: 



maryland agricultural experiment station, 

 department of zoology and economic entomology, 

 college park, md. 



December 1st, 1893. 



In accordance Avith your wishes, I take pleasure in submitting 

 herewith a bulletin on some of the injurious insects of Maryland, with 

 a treatment of the best methods of counteracting their injuries. It is my 

 intention to follow this up from time to time with other bulletins of like 

 nature, the particular subjects to be dealt with depending somewhat upon 

 the inquiries received in the current correspondence of the Station, and 

 upon the insect jieculiarities of any particular year. 



Respectfully yours, 



C. Y. Riley. 

 Robe?-t H. Miller, Esq., 



Director, Maryland Agricultural Experiment Station. 



