LETTER OF TRANSMITTAL 



U. S. Department of Agriculture, 



Bureau of Entomology, 



Washington, D. C, Januanj 25, 1910. 

 Sir: I have the honor to transmit herewith, for publication as 

 Bulletin No. 66, seven papers dealing with certain insects injurious 

 to truck crops. These papers, which were issued separately during 

 the years 1907 and 1900, are as follows: The Asparagus Miner and 

 Notes on the Asparagus Beetles, by F. H. Chittenden; The Watcr- 

 Cress Sowbug and the Water-Cress Leaf-Beetle, by F. H. Chittenden; 

 The Cranberry Spanworm and the Striped Garden Caterpillar, by 

 F. H. Chittenden; The Leaf hoppers of the Sugar Beet and Their 

 Relation to the "Curly-Leaf" Condition, by E. D. Ball; The Semi- 

 tropical Army Worm, by F. H. Chittenden and H. M. Russell; The 

 Hop Flea-Beetle, by F. H. Chittenden; Miscellaneous Notes on 

 Truck-Crop Insects, by F. H. Chittenden. 



Respectfully, 



L. O. Howard, 



Entomologist and Chief of Bureau. 

 Hon. James Wilson, 



Secretary of Agriculture. 



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