PUBLICATIONS RELATING TO FORKS'! [NSE< C8. 99 



1900c. Hopkins, A. I). — The periodical cicada or seventeen-year Locus! in 



Virginia. A revision of Bnl. 50, with additional data relating to the 

 lsiis ;nHi 1D00 swarm. <Bul. 68, \v. Va. Agr. Exp. 8ta., pp. 267 

 ti.L's. 14. pis. :;. maps '.k September. 



1001*7. Hopkins, A. D. — Insect enemies of the spruce in the Northeast. <Bul. 

 28, n. s., Div. Ent., U. S. Dept. Agr., pp. 4S, pis. 10, 56 orlg. fi-s.. 

 5 text figs. 



19016. Hopkins. A. D — On the development and evolution of the scolytid gal- 

 lery. I Paper read before Section F, Amer. Assn. Adv. Sci.. Denver, 

 Colo. (August).] Abstract published in Science. 



1901c. Hopkins. A. I). — On insects detrimental and destructive to forest prod- 

 ucts used for construction material. [Paper read at Denver Meet 

 Amer. Assn. Econ. Ent. (August).] <Bul. 31, n. s., Div. Ent.. U. S. 

 Dept. Agr.. pp. 60-62. 



1901tf. Hopkins. A. I). — Insect enemies of forests and forest products. [Paper 

 read at Denver Meet. Amer. Forestry Assn.] <The Forester, VIII, 

 PP. 250-254. 5 figs. 



1902a. Hopkins, a. D. — -Insect enemies of the pine in the Black Hills Forest 

 Reserve. <Bul. 32, n. s., Div. Ent., U. S. Dept. Agr.. pp. 24. pis 7. 

 tigs. 18, 5 text figs. 



1902&. Hopkins. A. D. — On the study of forest entomology in America. <Bul. 

 37. n. s., Div. Ent., U. S. Dept. Agr. (Proc. 14th Ann. Meet. Assn. 

 P^con. Ent.. pp. 5-28. Reprint, ibid. 



1902c. Hopkins. A. D. — Some insect enemies of living trees. <Proc. 22d Ann. 

 Meet. Soc. Prom. Agr. Sci., pp. 66-69. 



1902*7. Hopkins. A. D. — The powder-post beetle. <Amer. Agriculturist. No- 

 vember 15 : New England Homestead, November 1. 



1903a. Hopkins. A. D. — Some of the principal insect enemies of coniferous 

 forests in the United States. < Yearbook U. S. Dept. Agr. for 1902, 

 pp. 265-282. figs. 10, pis. 2. ( Separate No. 268, Office of Secy, of Agr. i 



1903&. Hopkins. A. D. — Forest insect explorations in the summer of 1902. 

 <Can. Ent., XXXV, pp. 59-61, March. 



]903c. Hopkins. A. D. — Powder-post injury to seasoned wood products. 

 <Cir. 55. Bur. Ent., U. S. Dept. Agr.. pp. 5. fig. 1. 



1903tf. Hopkins, a. I). — Methods of work and some results in forest insect 

 investigations. <Proc. Assn. Agr. Colls, and Exp. Stas.. pp. 180 -182. 



1903c. Hopkins. A. D. — Insect enemies of the redwood. <Bul. 38. Bur. For- 

 estry. U. S. Dept. Agr., pp. 32-40, figs. 4. 



1904o. Hopkins. A. I). — Catalogue of exhibits of insect enemies of forests and 

 forest products at the Louisiana Purchase Exposition. <Bul. 48, 

 n. s.. Div. Ent.. U. S. Dept. Agr.. pp. 5(5. pis. 22. 



1904&. Hopkins. A. D. — Insect injuries to hardwood forest trees. <Yearbook 

 U. S. Dept. Agr. for 1903, pp. 313-328. figs. 17. pi. 1. (Separate No. 

 327. Office of Secy, of Agr.) 



1905. Burke, H. E. — Black check in western hemlock. <Cir. 61. Bur. Ent.. 

 V. S. Dept. Agr., pp. 10, figs. 5. 



1905«. Hopkins, A. D. — Insect injuries to forest products. < Yearbook l". S. 

 Dept. Agr. for L904, pp. 381-398. figs. 14. (Separate No. :;:,.->. Office 

 of Secy, of Agr.) 



1905&. Hopkins, A. D. — The Black Hills beetle, with further notes on its 

 distribution, life history, and methods of control. <Bul. 50. Bur. 

 Ent.. U. S. Dept. Agr., pp. 24. n^. 6. 



