PUBLICATIONS RELATING TO FOREST INSECTS. 99 



10()(\\ Hopkins, A. D. — The porindical cifada or scvcntccn-.voar locust in West 

 Virginia. A revision of Bui. .")0. witli additional data relating to the 

 ISOS and 1000 swarni. <Bnl. CS. \V. Va. Agr. K\\). Sta.. pp. liHT ."..'Xi. 

 figs. 14. pis. .S. inajts 0. Septenilx'r. 



lOOlfl. Hopkins, A. D. — Insect enemies of the spruce in the Northeast. <Bul. 

 2S, n. s., Div. Ent., U. S. Dept. Agr., pp. 48, pis. IG, 50 orig. flgs.. 

 5 text figs. 



1901 ?>. Hopkins, A. D — On the development and evolution of the scolj-tid gal- 

 lery. IPa]»er read before Seel ion F. Anier. Assn. Adv. Sci.. Denver, 

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



1901c. Hopkins, A. D. — 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. G0-t)2. 



1901d. Hopkins. A. D. — Insect enemies of forests and forest products. [Paper 

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

 pp. 250-254, 5 figs. 



1902o. Hopkins. A. D. — Insect enemies of the pine in tlie Blaclv Hills Forest 

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

 tigs. 18. 5 text figs. 



1902b. 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. 

 Econ. 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-G9. 



'[902(1. Hopkins. A. D. — The powder-post i^eetle. <Amer. Agriculturist. No- 

 vember 15; New England Homestead, Novemlier 1. 



190.3«. Hopkins. A. D. — Some of the principal insect enemies of coniferous 

 forests in the I'nited States. <Yearbooiv V. S. Dept. Agr. for l!t02. 

 pp. 2(>5-2S2, figs. 10. pis. 2. (Separate No. 268, Office of Secy, of Agr.) 



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

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



]9().3c. Hopkins. A. D. — Powder-post injury to sea.soned wood products. 

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



IWHd. Hopkins, A. D. — Methods of work and some re.sults in forest insect 

 investigations. <Proc. Assn. Agr. Colls, and Exp. Stas.. pp. 1S<)-1S2, 



1903r. Hopkins. A. D. — Insect enemies of the redwood. <Bul. .3s. Bur. For- 

 estry, r. S. Dept. Agr., pp. 32-10, figs. 4. 



]!K»4r/. Hopkins, A. I). — CatalogiU' of exhibits of insect enemies of forests and 

 forest products at the Louisiana Purchase Exposition. <P.ul. 48, 

 n. .s., Div. Ent.. U. S. I)ei)t. Agr., pp. 5r>. pl.s. 22. 



1004b. Hopkins, A. D. — Insect injuries to hardwood forest trees. <Yearbook 

 I'. S. Dept. Agr. for 1903. pp. 31.3-32.S. figs. 17. pi. 1. (Separate No. 

 327. Office of Secy, of Agr.) 



1905. Burke, H, E.— Black check in western hemlock. <Cir. 01. Bur. Ent., 

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



1905a. Hopkins, A. D. — Insect injuries to forest products. <Yearbook V. S. 

 Dept. Agr. for P.MM. pi>, 381-398. figs. 14. (Separate No. 355. Office 

 of Secy, of Agr. ) 



lOOnb. Hopkins. A. D.— The BlacU Hills licctic, with fiirtber iinti>s on its 

 dislrilMitioii. life history, and nn'tlio<ls of control. <Bul. .">G. Bur. 

 Ent., U. S. Dept. Agr.. pp. 24, figs. 6. 



