LETTER OF TRANSMITTAL 



U. S. Department of Agriculture, 



Bureau of Entomology, 

 Washwf/fon, D. C ., Avf/w^t 2.k 1009. 

 Sir : I have the honor to transmit herewith, and to recommend 

 for publication as Bulletin No. 58, Part V, of the Bureau of P2nto- 

 moloofv. manuscript of a paper by Dr. A. D. Hopkins, in charge of 

 forest insect investig^ations of this Bureau, entitled "Insect Depre- 

 dations in North American Forests and Practical Methods of Pre- 

 vention and Control." 



The pai)er is based largely on the observations and exj^erience of 

 the author and of the assistants engaged in forest insect investiga- 

 tions, and contains a list of publications relating to forest insects. 

 Kespect fully, 



L. O. Howard, 

 Entomologist and Chief of Bureau. 

 Hon. James "Wilson, 



Secretary of Agriculture. 



m 



