40 FOREST PROTECTION 



Ag. Yr. Bk. for 1905 IT. S. — Yearbook of the United States Department 

 of Agriculture for 1905. Insect enemies of forest reproduction. By 

 A. D. Hopkins, pp. i-iii and 249-256. 1906. 



Ag. Yr. Bk. for 1907 U. S. — Yearbook of the United States Department 

 of Agriculture for 1907. Notable depredations by forest insects. By 

 A. D. Hopkins, pp. i-iii and 149-164. 1908. 



Bulletins of the Bureau (Formerly Division) op Entomology, 

 United States Department of Agriculture. 



Ent. Bui. No. 7 U. S. — Some miscellaneous results of the work of the Di- 

 vision of Entomology. The ambrosia beetles of the United States. 

 By H. G. Hubbard, pp. 9-30. Insect injuries to chestnut and pine 

 trees in Virginia and neighboring states. By F. H. Chittenden, pp. 

 67-75. 1897. 



Ent. Bui. No. 14 TJ. S.— The Periodical Cicada. By C. L. Marlatt. 1898. 



Ent. Bui. No. 21 U. S. — Preliminary report on the insect enemies of forests 

 in the Northwest. By A. D. Hopkins. 1899. 



Ent. Bui. No. 28 IT. S. — Insect enemies of the spruce in the Northwest. By 

 A. D. Hopkins. 1901. 



Ent. Bui. No. 32 XT. S.— Insect enemies of pine in the Black Hills. By A. D. 

 Hopkins. 1902. 



Ent. Bui. No. 37 IT. S. — Proceedings of the fourteenth annual meeting of 

 the Association of Economic Entomologists. On the study of forest 

 entomology in America. By A. D. Hopkins, pp. 5-32. 1902. 



Ent. Bui. No. 38 U. S. — Some miscellaneous results of the work of the Di- 

 vision of Entomology. Notes on the Rhinocerus Beetle. By F. H. 

 Chittenden, pp. 28-32. 1902. 



Ent. Bui. No. 48 U. S. — Catalogue of exhibits of insect enemies of forest 

 products at the Louisiana Purchase Exposition, St. Louis, Mo., 1904. 

 By A. D. Hopkins. 1904. 



Ent Bui. No. 53 U. S. — Catalogue of the exhibit of Economic Entomology 

 at the Lewis and Clrak Centennial Exposition, Portland, Oregon, 1905. 

 By Rolla P. Currie. 1904. 



Ent. Bui. No. 56 IT. S.—The Black Hills Beetle. By A. D. Hopkins. 1905. 



Ent. Bui. No. 58 U. S. — Some insects injurious to forests. Parts I, II, and 

 III. By A. D. Hopkins and J. L. Webb. 1906-07. 



Ent. Bui. No. 71 U. S.— The Periodical Cicada. By C. L. Martlatt. 1907. 



Circulars of the Bureau (Formerly Division) of Entomology of the 

 United States Department of Agriculture. 



Ent. Cir. No. 24 IT. S.— -The Two-lined Chestnut Borer. By F. H. Chitten- 

 den. 1897, 



Ent. Cir. No. 29 U. S.— • The Fruit-tree Bark-beetle. By F. H. Chittenden- 

 1898. 



